National Stock Number
5331-01-077-5228
National Stock Number (NSN) 5331-01-077-5228, or NIIN 010775228, (o-ring) was assigned May 25, 1979 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 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 a year. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L121FA4XS, SPM7LX10D9005. The total value of the awarded contracts has been US$ 243.12.
This NSN is somewhat common among different platforms, belonging to 10 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 21, 2019, 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 needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
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 5331010775228 contains an unknown precious metal.
This NSN is associated to Schedule B 4006900000: other forms (for example, rods, tubes and profile shapes) & articles (for example, discs and rings), of vulcanized rubber, nesoi. The Schedule B End Use is listed as industrial rubber products. NAICS classification category 326299: all other rubber product manufacturing.
This information was last updated on Apr 01, 2025.