National Stock Number
5365-01-221-1981
National Stock Number (NSN) 5365-01-221-1981, or NIIN 012211981, (ring,externally threaded) was assigned November 25, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 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 Nov 23, 2010. 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: SPM74001D9711, SPM74001D9711. The total value of the awarded contracts has been US$ 2,409.60.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2006, 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 rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 08417. [A CYLINDRICALLY SHAPED ITEM WITH A CONCENTRIC BORE AND A PERIPHERAL THREAD OVER ITS ENTIRE LENGTH OR OVER A PORTION THEREOF. ONE FACE IS DRILLED, SLOTTED, KNURLED, OR HAS PROJECTING LUGS FOR INSTALLATION AND/OR REMOVAL PURPOSES. EXCLUDES:RETAINER, OPTICAL ELEMENT.]. 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 5365012211981 does not contain precious metals.
This information was last updated on Aug 01, 2025.