National Stock Number
5310-00-550-0991
National Stock Number (NSN) 5310-00-550-0991, or NIIN 005500991, (nut,self-locking,hexagon) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5310002748895.
There are 3 manufacturer part numbers associated with this NSN. 2 of those 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, there are no suppliers that are 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 unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 05277. [A NUT HAVING A FLAT BOTTOM AND 6 SIDES. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. EXCLUDES:NUT (1), SELF-LOCKING, CAP.]. 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 5310005500991 does not contain precious metals.
This information was last updated on Dec 01, 2024.