National Stock Number
5331-01-657-7805
National Stock Number (NSN) 5331-01-657-7805, or NIIN 016577805, (o-ring set) was assigned August 30, 2016 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.
This NSN is assigned to Item Name Code (INC) 53381. [TWO OR MORE SIZES AND/OR TYPES OF O-RINGS PACKAGED OR GROUPED FOR ISSUE AS A UNIT FOR COMPLETE REPLACEMENT. SEE ALSO O-RING ASSORTMENT. EXCLUDES:GASKET SET.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5331016577805 does not contain precious metals.
This information was last updated on Jul 01, 2025.