diff --git a/WebContent/WEB-INF/view/partMng/structurePopupRight.jsp b/WebContent/WEB-INF/view/partMng/structurePopupRight.jsp
index 0ea1fca..44722cf 100644
--- a/WebContent/WEB-INF/view/partMng/structurePopupRight.jsp
+++ b/WebContent/WEB-INF/view/partMng/structurePopupRight.jsp
@@ -9,7 +9,7 @@
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <title><%=Constants.SYSTEM_NAME%></title>
 <link href="/css/tabulator/tabulator.min.css" rel="stylesheet">
-<script type="text/javascript" src="/js/tabulator.min.js"></script>
+<script type="text/javascript" src="/js/tabulator/tabulator.min.js"></script>
 <style>
 ::-webkit-scrollbar {
     width: 10px;
@@ -103,10 +103,8 @@ $(function(){
 	// Tabulator 초기화
 	fn_initRightGrid();
 	
-	// 초기 로드 시 자동으로 파트 데이터 조회
-	if($("#bomReportObjId").val()) {
-		fn_searchPart();
-	}
+	// 초기 로드 제거 - 검색 버튼 클릭 시에만 데이터 로드
+	// 사용자가 검색 조건 입력 후 조회하도록 유도
 });
 
 var _rightGrid;
@@ -163,38 +161,74 @@ function fn_initRightGrid(){
 		height: "600px",
 		pagination: false,
 		columns: columns,
-		placeholder: "조회된 부품이 없습니다.",
-		data: []
+		placeholder: "검색 버튼을 클릭하여 품목을 조회하세요"
 	});
 }
 
 function fn_searchPart(){
+	// 전체 품목 데이터 조회 (검색 조건 적용)
 	$.ajax({
-        url: "/partMng/getPartMngList_ajax.do",
-        method: 'post',
-        data: $("#form1").serialize(),
-        dataType: 'json',
-        beforeSend: function(){
-        	// 로딩 스피너 표시
-        	_startLoading("파트 목록 조회 중...");
-        },
-        complete: function(){
-        	// 로딩 스피너 숨김 (성공/실패 관계없이 항상 실행)
-        	_endLoading();
-        },
-        success: function(data) {
-        	console.log('조회 성공:', data.length + '건');
-        	
-        	// Tabulator에 데이터 설정
-        	if(_rightGrid){
-        		_rightGrid.setData(data);
-        	}
-        },
-        error: function(jqxhr, status, error){
-        	console.error('Ajax 에러:', status, error);
-        	Swal.fire('조회 중 오류가 발생했습니다.');
-       	}
-     });
+		url: "/partMng/getPartMngList_ajax.do",
+		type: "POST",
+		data: $("#form1").serialize(),
+		dataType: "json",
+		beforeSend: function(){
+			// 로딩 스피너 표시
+			Swal.fire({
+				title: '조회 중...',
+				html: '품목 데이터를 불러오는 중입니다.',
+				allowOutsideClick: false,
+				didOpen: () => {
+					Swal.showLoading();
+				}
+			});
+			
+			if(_rightGrid){
+				_rightGrid.clearData();
+			}
+		},
+		success: function(response) {
+			// 로딩 스피너 닫기
+			Swal.close();
+			
+			console.log('조회 완료:', response.data ? response.data.length + '건' : '0건');
+			
+			// Tabulator에 데이터 설정
+			if(_rightGrid){
+				_rightGrid.setData(response.data || []);
+			}
+			
+			// 결과 메시지
+			if(!response.data || response.data.length === 0){
+				Swal.fire({
+					icon: 'info',
+					title: '조회 결과 없음',
+					text: '검색 조건에 맞는 품목이 없습니다.'
+				});
+			} else {
+				// 성공 토스트 메시지
+				Swal.fire({
+					toast: true,
+					position: 'top-end',
+					icon: 'success',
+					title: response.data.length + '건 조회 완료',
+					showConfirmButton: false,
+					timer: 2000
+				});
+			}
+		},
+		error: function(jqxhr, status, error){
+			// 로딩 스피너 닫기
+			Swal.close();
+			
+			Swal.fire({
+				icon: 'error',
+				title: '조회 실패',
+				text: '데이터 조회 중 오류가 발생했습니다.'
+			});
+			console.error(error);
+		}
+	});
 }
 
 /**
diff --git a/src/com/pms/controller/PartMngController.java b/src/com/pms/controller/PartMngController.java
index be6ee74..22a80e7 100644
--- a/src/com/pms/controller/PartMngController.java
+++ b/src/com/pms/controller/PartMngController.java
@@ -609,19 +609,30 @@ public class PartMngController {
 	 * @param paramMap
 	 * @return
 	 */
+	/**
+	 * PART 목록 조회 (전체 데이터 조회 - 재귀 CTE 제거로 성능 개선)
+	 * @param request
+	 * @param paramMap
+	 * @return JSON 형태의 전체 데이터
+	 */
 	@RequestMapping("/partMng/getPartMngList_ajax.do")
-	public String getPartList_ajax(HttpServletRequest request, @RequestParam Map<String, Object> paramMap){
+	@ResponseBody
+	public Map<String, Object> getPartList_ajax(HttpServletRequest request, @RequestParam Map<String, Object> paramMap){
 		paramMap.put("status", "complete");
-		
-		System.out.println("getPArtList_ajax paramMap : "+paramMap);
 		paramMap.put("IS_LAST","1");
-		//paramMap.put("STATUS", "release");
+		
+		System.out.println("getPartList_ajax paramMap : "+paramMap);
+		
+		// 전체 데이터 조회 (페이징 제거, 재귀 CTE 제거로 속도 대폭 향상)
 		List list = partMngService.getToConnectPartMngList(request, paramMap);
 		
-		// Gson을 사용하여 안전하게 JSON 변환 (특수문자, 이스케이프 처리 자동)
-		String jsonResult = JsonUtil.ListToJson(list);
-		request.setAttribute("RESULT", jsonResult);
-		return "/ajax/ajaxResult";
+		// 응답 데이터 구성
+		Map<String, Object> response = new HashMap<>();
+		response.put("data", list);
+		
+		System.out.println("데이터 조회 완료 - " + list.size() + "건");
+		
+		return response;
 	}
 	
 	
diff --git a/src/com/pms/mapper/partMng.xml b/src/com/pms/mapper/partMng.xml
index c4e2cc1..ce2e19c 100644
--- a/src/com/pms/mapper/partMng.xml
+++ b/src/com/pms/mapper/partMng.xml
@@ -266,8 +266,22 @@
 	<!-- Part 관리 기본 조회 -->
 	<sql id="partMngBase">
 		(
-			WITH  V_FILE AS (
-	            SELECT
+			-- 파일 개수 집계 (성능 최적화)
+			WITH V_FILE_COUNTS AS (
+				SELECT
+					TARGET_OBJID,
+					COUNT(CASE WHEN DOC_TYPE = '3D_CAD' THEN 1 END) AS CU01_CNT,
+					COUNT(CASE WHEN DOC_TYPE = '2D_DRAWING_CAD' THEN 1 END) AS CU02_CNT,
+					COUNT(CASE WHEN DOC_TYPE = '2D_PDF_CAD' THEN 1 END) AS CU03_CNT,
+					COUNT(CASE WHEN DOC_TYPE IN ('2D_PDF_CAD', '2D_DRAWING_CAD') THEN 1 END) AS CU_TOTAL_CNT,
+					COUNT(CASE WHEN DOC_TYPE = 'ECD_DOC' THEN 1 END) AS ECD_CNT
+				FROM ATTACH_FILE_INFO
+				WHERE STATUS = 'Active'
+					AND DOC_TYPE IN ('PART_SHAPE_IMG','ECD_DOC','3D_CAD','2D_DRAWING_CAD','2D_PDF_CAD')
+				GROUP BY TARGET_OBJID
+			),
+			V_FILE AS (
+	            SELECT DISTINCT ON (TARGET_OBJID, DOC_TYPE)
 	                 TARGET_OBJID
 	               , SAVED_FILE_NAME
 	               , REAL_FILE_NAME
@@ -276,8 +290,9 @@
 	               , STATUS
 	            FROM ATTACH_FILE_INFO
 	            WHERE 1 = 1
-	              AND DOC_TYPE IN ('PART_SHAPE_IMG','ECD_DOC','3D_CAD','2D_DRAWING_CAD','2D_PDF_CAD')
+	              AND DOC_TYPE IN ('PART_SHAPE_IMG','ECD_DOC')
 	              AND STATUS = 'Active'
+	            ORDER BY TARGET_OBJID, DOC_TYPE, OBJID
 	         )
 	         
 			SELECT DISTINCT
@@ -327,31 +342,17 @@
 				P.SOURCING_CODE,
 				CC_SOURCING.CODE_NAME AS SOURCING_NAME,
 				
-				AF.SAVED_FILE_NAME,
-				AF.REAL_FILE_NAME,
-				REPLACE(AF.FILE_PATH, '\', '\\') AS FILE_PATH,
-				case when CAD.SAVED_FILE_NAME is NOT NULL 
-				then 1
-				else 0 end as CU01_CNT,
-
-				case when DRAWING.SAVED_FILE_NAME is NOT NULL 
-				then 1
-				else 0 end as CU02_CNT,
-				
-				case when PDF.SAVED_FILE_NAME is NOT NULL 
-				then 1
-				else 0 end as CU03_CNT,
-			
-				case when PDFDRA.SAVED_FILE_NAME is NOT NULL 
-				then 1
-				else 0 end as CU_TOTAL_CNT,					
+				AF_IMG.SAVED_FILE_NAME,
+				AF_IMG.REAL_FILE_NAME,
+				REPLACE(AF_IMG.FILE_PATH, '\', '\\') AS FILE_PATH,
+				COALESCE(FC.CU01_CNT, 0) AS CU01_CNT,
+				COALESCE(FC.CU02_CNT, 0) AS CU02_CNT,
+				COALESCE(FC.CU03_CNT, 0) AS CU03_CNT,
+				COALESCE(FC.CU_TOTAL_CNT, 0) AS CU_TOTAL_CNT,					
 				AF_ECD.SAVED_FILE_NAME AS ECD_SAVED_FILE_NAME,
 				AF_ECD.REAL_FILE_NAME AS ECD_REAL_FILE_NAME,
 				REPLACE(AF_ECD.FILE_PATH, '\', '\\') AS ECD_FILE_PATH,
-				CASE 
-					WHEN AF_ECD.SAVED_FILE_NAME IS NOT NULL THEN 'Y'
-					ELSE 'N'
-				END ECD_FLAG,
+				CASE WHEN FC.ECD_CNT > 0 THEN 'Y' ELSE 'N' END AS ECD_FLAG,
 					THICKNESS,
 					WIDTH,
 					HEIGHT,
@@ -367,43 +368,15 @@
 				LEFT JOIN COMM_CODE CC_DESIGN ON CC_DESIGN.CODE_ID = P.DESIGN_APPLY_POINT
 				LEFT JOIN COMM_CODE CC_SOURCING ON CC_SOURCING.CODE_ID = P.SOURCING_CODE
 				LEFT JOIN admin_supply_mng SUP ON SUP.objid::varchar = P.SUPPLY_CODE
-				
-				LEFT OUTER JOIN V_FILE AF 
-			      ON P.OBJID = AF.TARGET_OBJID
-			     AND AF.DOC_TYPE IN ('PART_SHAPE_IMG')
-			     <!-- 
-			     AND AF.STATUS = 'Active'
-			      -->
+				-- 파일 개수 집계 조인 (한 번만)
+				LEFT JOIN V_FILE_COUNTS FC ON P.OBJID = FC.TARGET_OBJID
+				-- 파일 정보 조인 (첫 번째만)
+				LEFT OUTER JOIN V_FILE AF_IMG 
+			      ON P.OBJID = AF_IMG.TARGET_OBJID
+			     AND AF_IMG.DOC_TYPE = 'PART_SHAPE_IMG'
 			    LEFT OUTER JOIN V_FILE AF_ECD 
 			      ON P.OBJID = AF_ECD.TARGET_OBJID
-			     AND AF_ECD.DOC_TYPE IN ('ECD_DOC')
-			     <!-- 
-			     AND AF_ECD.STATUS = 'Active'
-			      -->
-			    LEFT OUTER JOIN V_FILE CAD 
-			      ON P.OBJID = CAD.TARGET_OBJID
-			     AND CAD.DOC_TYPE IN ('3D_CAD')
-			     <!-- 
-			     AND CAD.STATUS = 'Active'
-			      -->
-			    LEFT OUTER JOIN V_FILE DRAWING 
-			      ON P.OBJID = DRAWING.TARGET_OBJID
-			     AND DRAWING.DOC_TYPE IN ('2D_DRAWING_CAD')
-			     <!-- 
-			     AND DRAWING.STATUS = 'Active'
-			      -->
-			    LEFT OUTER JOIN V_FILE PDF 
-			      ON P.OBJID = PDF.TARGET_OBJID
-			     AND PDF.DOC_TYPE IN ('2D_PDF_CAD')
-			     <!-- 
-			     AND PDF.STATUS = 'Active'
-			      -->
-			    LEFT OUTER JOIN V_FILE PDFDRA 
-			      ON P.OBJID = PDFDRA.TARGET_OBJID
-			     AND PDFDRA.DOC_TYPE IN ('2D_PDF_CAD', '2D_DRAWING_CAD')
-			     <!-- 
-			     AND PDFDRA.STATUS = 'Active'
-			      -->
+			     AND AF_ECD.DOC_TYPE = 'ECD_DOC'
       
 				<!-- 
 				LEFT OUTER JOIN
@@ -2467,69 +2440,17 @@ SELECT T1.LEV, T1.BOM_REPORT_OBJID, T1.ROOT_PART_NO, T1.PATH, T1.LEAF, T2.*
 		)A WHERE 1=1
 	</select> -->
 	
-	<!-- PART 관리 목록 조회 -->
+	<!-- PART 관리 목록 조회 (전체 데이터, 재귀 CTE 제거로 성능 개선) -->
 	<select id="getToConnectPartMngList" parameterType="map" resultType="map">
-		WITH RECURSIVE VIEW_BOM(
-			OBJID,
-			PART_NO,
-			BOM_REPORT_OBJID,
-			PARENT_PART_NO,
-			QTY,
-			LEV,
-			PATH,
-			CYCLE
-		) AS (
-			SELECT
-				A.OBJID,
-				A.PART_NO,
-				A.BOM_REPORT_OBJID,
-				A.PARENT_PART_NO,
-				A.QTY,
-				1,
-				ARRAY [A.PART_NO],
-		     	FALSE
-			FROM 
-				PART_BOM_QTY A
-			WHERE 1=1
-			AND (A.PARENT_PART_NO IS NULL OR A.PARENT_PART_NO = '') 
-			AND A.BOM_REPORT_OBJID = #{bomReportObjId}::NUMERIC
-		   
-			UNION ALL
-		   
-			SELECT
-				B.OBJID,
-				B.PART_NO,
-				B.BOM_REPORT_OBJID,
-				B.PARENT_PART_NO,
-				B.QTY,
-				LEV + 1,
-				PATH,
-				B.PARENT_PART_NO = ANY(PATH)
-			FROM
-				PART_BOM_QTY B
-			JOIN
-				VIEW_BOM
-			ON B.PARENT_PART_NO = VIEW_BOM.PART_NO
-			AND VIEW_BOM.BOM_REPORT_OBJID = B.BOM_REPORT_OBJID
-		)
 		SELECT 
 			T.*,
-			ROW_NUMBER() OVER(ORDER BY EXCEL_UPLOAD_SEQ ASC) RNUM 
+			ROW_NUMBER() OVER(ORDER BY EXCEL_UPLOAD_SEQ ASC, PART_NO ASC) RNUM 
 	    FROM(
 			SELECT
 				T.*
 			FROM 
 				<include refid="partMngBase"/> T
 			WHERE 1=1
-<!-- 			AND IS_LAST = '1' -->
-			<!-- AND NOT EXISTS
-			(
-				SELECT 
-					1 
-				FROM VIEW_BOM V
-				WHERE 1=1
-				AND V.PART_NO = T.PART_NO
-			)			 -->
 			<!-- EO 기능 말들고 추가 필요 -->
 			<if test="search_eo != null and search_eo != ''">
 				AND UPPER(EO_NO) LIKE UPPER('%${search_eo}%')
@@ -2582,7 +2503,113 @@ SELECT T1.LEV, T1.BOM_REPORT_OBJID, T1.ROOT_PART_NO, T1.PATH, T1.LEAF, T2.*
 				AND UPG_NO = #{search_product_mgmt_upg}
 			</if>
 			
-			ORDER BY PART_NO 
+			ORDER BY EXCEL_UPLOAD_SEQ ASC, PART_NO ASC
+		) T
+	</select>
+	
+	<!-- PART 관리 목록 총 개수 조회 (페이징용) -->
+	<select id="getToConnectPartMngListCount" parameterType="map" resultType="int">
+		WITH RECURSIVE VIEW_BOM(
+			OBJID,
+			PART_NO,
+			BOM_REPORT_OBJID,
+			PARENT_PART_NO,
+			QTY,
+			LEV,
+			PATH,
+			CYCLE
+		) AS (
+			SELECT
+				A.OBJID,
+				A.PART_NO,
+				A.BOM_REPORT_OBJID,
+				A.PARENT_PART_NO,
+				A.QTY,
+				1,
+				ARRAY [A.PART_NO],
+		     	FALSE
+			FROM 
+				PART_BOM_QTY A
+			WHERE 1=1
+			AND (A.PARENT_PART_NO IS NULL OR A.PARENT_PART_NO = '') 
+			AND A.BOM_REPORT_OBJID = #{bomReportObjId}::NUMERIC
+		   
+			UNION ALL
+		   
+			SELECT
+				B.OBJID,
+				B.PART_NO,
+				B.BOM_REPORT_OBJID,
+				B.PARENT_PART_NO,
+				B.QTY,
+				LEV + 1,
+				PATH,
+				B.PARENT_PART_NO = ANY(PATH)
+			FROM
+				PART_BOM_QTY B
+			JOIN
+				VIEW_BOM
+			ON B.PARENT_PART_NO = VIEW_BOM.PART_NO
+			AND VIEW_BOM.BOM_REPORT_OBJID = B.BOM_REPORT_OBJID
+		)
+		SELECT 
+			COUNT(*)
+	    FROM(
+			SELECT
+				T.OBJID
+			FROM 
+				<include refid="partMngBase"/> T
+			WHERE 1=1
+			<if test="search_eo != null and search_eo != ''">
+				AND UPPER(EO_NO) LIKE UPPER('%${search_eo}%')
+			</if>
+			<if test="search_except_eo != null and search_except_eo != ''">
+				AND EO != #{search_except_eo}
+				AND (EO IS NULL OR EO = '' OR EO = '0')
+			</if>
+			<if test="search_eo_date_from != null and search_eo_date_from != ''">
+				AND EO_DATE <![CDATA[ >= ]]> #{search_eo_date_from}::TIMESTAMP
+			</if>
+			<if test="search_eo_date_to != null and search_eo_date_to != ''">
+				AND EO_DATE <![CDATA[ <= ]]> #{search_eo_date_to}::TIMESTAMP
+			</if>
+			<if test="search_product_mgmt_objid != null and search_product_mgmt_objid != ''">
+				AND PRODUCT_MGMT_OBJID = #{search_product_mgmt_objid}
+			</if>
+			<if test="search_part_no != null and search_part_no != ''">
+				AND UPPER(PART_NO) LIKE UPPER('%${search_part_no}%')
+			</if>
+			<if test="search_part_name != null and search_part_name != ''">
+				AND UPPER(PART_NAME) LIKE UPPER('%${search_part_name}%')
+			</if>
+			<if test="search_spec != null and search_spec != ''">
+				AND UPPER(SPEC) LIKE UPPER('%${search_spec}%')
+			</if>
+			<if test="search_maker != null and search_maker != ''">
+				AND UPPER(MAKER) LIKE UPPER('%${search_maker}%')
+			</if>
+			<if test="search_writer != null and search_writer != ''">
+				AND WRITER = #{search_writer}
+			</if>
+ 			<if test="IS_LAST != null and IS_LAST != ''">
+ 				AND IS_LAST = #{IS_LAST} 
+ 			</if> 
+ 			<if test="STATUS != null and STATUS != ''">
+				AND STATUS = #{STATUS}
+			</if>
+			<if test="searchTargetStatus != null and searchTargetStatus != '' and 'create'.equals(searchTargetStatus)">
+				AND STATUS = 'create'
+			</if>
+			<if test="searchTargetStatus != null and searchTargetStatus != '' and 'deploy'.equals(searchTargetStatus)">
+				AND STATUS = 'release'
+			</if>
+			<if test="searchTargetStatus != null and searchTargetStatus != '' and 'changeDesign'.equals(searchTargetStatus)">
+				AND STATUS = 'release'
+			</if>
+			
+			<if test="search_product_mgmt_upg != null and !''.equals(search_product_mgmt_upg)">
+				AND UPG_NO = #{search_product_mgmt_upg}
+			</if>
 		) T
 	</select>
 	
diff --git a/src/com/pms/service/PartMngService.java b/src/com/pms/service/PartMngService.java
index 36c3dff..f8b1eb9 100644
--- a/src/com/pms/service/PartMngService.java
+++ b/src/com/pms/service/PartMngService.java
@@ -1538,6 +1538,28 @@ public class PartMngService extends BaseService {
 		return CommonUtils.toUpperCaseMapKey(resultList);
 	}
 	
+	/**
+	 * PART 목록 총 개수 조회 (페이징용)
+	 */
+	public int getToConnectPartMngListCount(HttpServletRequest request, Map paramMap){
+		int totalCount = 0;
+		SqlSession sqlSession = null;
+		try{
+			sqlSession = SqlMapConfig.getInstance().getSqlSession();
+			
+			setPartMngCommonCD(paramMap);
+			
+			totalCount = (Integer)sqlSession.selectOne("partMng.getToConnectPartMngListCount", paramMap);
+			
+		}catch(Exception e){
+			e.printStackTrace();
+		}finally{
+			sqlSession.close();
+		}
+		
+		return totalCount;
+	}
+	
 	
 	
 	/**