National Stock Number
5310-00-167-0721
National Stock Number (NSN) 5310-00-167-0721, or NIIN 001670721, (washer,lock) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 11 stock numbers. Five of the National Stock Numbers that it replaces are: 5310011577371, 5310011586783, 5310001380261, 5310007578021, 5310005578319.
There are 27 manufacturer part numbers associated with this NSN. 11 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 24 suppliers. Today, 18 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 11 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is very common among different weapons systems, belonging to 256 different platforms.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 7 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 30, 2019, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 14218. [A WASHER, USUALLY ROUND, WITH A CENTRALLY-LOCATED HOLE. ITS EDGES AND TWO BEARING SURFACES ARE DESIGNED IN SUCH A WAY THAT APPLIED PRESSURE BRINGS INTO PLAY THE SPRING TENSION AND/OR FRICTIONAL LOCKING PRINCIPLE THAT MATERIALLY RESISTS ANY TENDENCY TOWARD TURNING. IT MAY BE MADE OF ONE OR TWO PIECES.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310001670721 contains an unknown precious metal.
This NSN is associated to Schedule B 7318210000: spring washers and other lock washers, iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.
This information was last updated on Apr 01, 2024.