National Stock Number
5310-01-257-7434
National Stock Number (NSN) 5310-01-257-7434, or NIIN 012577434, (washer,keyway) was assigned June 23, 1987 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) 06158. [A WASHER OF NONRESILIENT MATERIAL USUALLY HAVING TWO PARALLEL BEARING SURFACES. THE OUTSIDE AND/OR INSIDE EDGES HAVE ONE OR MORE NOTCHES. EXCLUDES:THRUST TYPE WASHERS.]. 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 5310012577434 contains an unknown precious metal.
This NSN is associated to Schedule B 6812990060: other fabricated asbestos fibers; mixtures based on asbstos or on asbestos and magnesium carbonate. The Schedule B End Use is listed as other industrial supplies. NAICS classification category 327999: all other miscellaneous nonmetallic mineral product manufacturing.
This information was last updated on Jul 01, 2025.