NSN 5310-01-157-0317, 5310011570317
LOCKWASHER

Federal Supply Classification: FSC 5310 - Nuts and Washers
National Item Identification Number: NIIN 011570317
Codification Country: United States
Item Name Code: INC 77777
Criticality: ( )
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.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 5310-01-157-0317

National Stock Number (NSN) 5310-01-157-0317, or NIIN 011570317, (lockwasher) was assigned June 29, 1983 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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 May 06, 2020. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE5E720P3127, SPE5E720P3127, SPM5A812V0324, SPM5A812V0324, SPM5A812M0731. The total value of the awarded contracts has been US$ 25,080.94.

This NSN is fairly common among different weapons systems, belonging to 18 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 Apr 12, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 77777. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310011570317 does not contain precious metals.

This information was last updated on Aug 01, 2025.