NSN 5342-01-583-5731, 5342015835731
LOCKING ASSY,ATTACH

Federal Supply Classification: FSC 5342 - Hardware, Weapon System
National Item Identification Number: NIIN 015835731
Codification Country: United States
Item Name Code: INC 77777
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

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DLMS^® Summary

National Stock Number 5342-01-583-5731

National Stock Number (NSN) 5342-01-583-5731, or NIIN 015835731, (locking assy,attach) was assigned March 30, 2010 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Feb 21, 2020. There have been 12 contracts issued for this part number, with 12 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A620PA604, SPE4A620PA604, SPE4A620P2843, SPE4A620P2843, SPE4A620P0417. The total value of the awarded contracts has been US$ 1,349,762.52.

This NSN is fairly common among different weapons systems, belonging to 11 different platforms.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 30, 2020, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5342015835731 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

III SUPPLEMENTARY FEATURES: (SUPP) PREPARE SURFACE IAW MIL-S-5002, SEAL FIND NO.8 WITH FIND NO.9 AND TORQUE TO 50LB-IN, + OR - 3LB-IN
PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) LOCKING ASSEMBLY
SPECIAL FEATURES: (FEAT) CONSISTS OF STUD LOCK RETAINER,RETAINING RING, COMPRESSION SPRING, SPRING STOP WASHER, ATTACH BOLT LOCK, ATTACH BOLT SHAFT, ATTACH BOLT HOUSING, ATTACH BOLT LOCKING ASSEMBLY
SPECIFICATION/STANDARD DATA: (ZZZK) 05047-ASME Y14.100 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 05047-ASME Y14.5M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 05047-ASME Y14.38 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SUPPLEMENTARY FEATURES: (SUPP) PREPARE SURFACE IAW MIL-S-5002, SEAL FIND NO.8 WITH FIND NO.9 AND TORQUE TO 50LB-IN, + OR - 3LB-IN
III PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) LOCKING ASSEMBLY