National Stock Number
5310-00-053-7804
National Stock Number (NSN) 5310-00-053-7804, or NIIN 000537804, (nut,self-locking,single ball sea) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 5306008441335, 5310007051967, 2530004607481.
There are 57 manufacturer part numbers associated with this NSN. 37 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 44 suppliers. Today, 23 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 16 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 assigned to Item Name Code (INC) 29732. [A NUT HAVING ONE CONVEX, SPHERICAL BEARING SURFACE AND 6 FLAT SIDES. ITEMS MAY HAVE A REMOVABLE COLLAR. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. SEE ALSO NUT (1), SELF-LOCKING, CONE SEAT, HEXAGON.]. 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 5310000537804 does not contain precious metals.
This NSN is associated to Schedule B 7318160000: nuts of 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 Aug 01, 2025.