National Stock Number
4921-01-654-5638
National Stock Number (NSN) 4921-01-654-5638, or NIIN 016545638, (chock,torpedo) was assigned May 3, 2016 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of May 18, 2020. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MC20P3700, SPE7MC20P3700. The total value of the awarded contracts has been US$ 83,400.00.
This NSN is unique to one weapons system.
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 May 04, 2016, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (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) 03591. [A RECTANGULAR SHAPED ITEM OF WOOD OR OTHER SUITABLE MATERIAL, GENERALLY WITH ONE OR MORE GROOVES AND/OR INSERTS ON ONE FACE TO ENSURE A SNUG FIT, USED FOR CRADLING TORPEDOES ON SHIPS, SHORE BASES AND THE LIKE.]. 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 4921016545638 does not contain precious metals.
This NSN is associated to Schedule B 9306900080: parts for bombs, grenades, torpedos, mines, and similar munitions of war. The Schedule B End Use is listed as tanks, artillery, missiles, rockets, guns and ammunition. NAICS classification category 332992: small arms ammunition manufacturing.
This information was last updated on Aug 01, 2025.