National Stock Number
5331-01-564-8729
National Stock Number (NSN) 5331-01-564-8729, or NIIN 015648729, (o-ring) was assigned July 1, 2008 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. One of those 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 is actively being procured by the US Government, with procurement history within the last 90 days. There have been 25 contracts issued for this part number, with 25 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A525FAGPZ, SPE4A624FBKAB, SPE4A624FBKAB, SPE4A624FB53N, SPE4A624FB53N. The total value of the awarded contracts has been US$ 20,839.01.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 15,890. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 07, 2011, 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) 47946. [A NONMETALLIC CIRCULAR ITEM WITH AN APERATURE, HAVING A SOLID ROUND CROSS-SECTION. THEY ARE USED PRIMARILY FOR SEALING. FOR ITEMS WITH OTHER THAN ROUND CROSS SECTION, SEE PACKING,PREFORMED. FOR NONCIRCULAR ITEMS WITH A ROUND CROSS-SECTION, SEE SEAL,NONMETALLIC ROUND SECTION AND RUBBER,ROUND SECTION.]. 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 5331015648729 does not contain precious metals.
This information was last updated on Jul 01, 2025.