NSN 5310-14-266-1991, 5310142661991
NUT,SELF-LOCKING,HEXAGON

Federal Supply Classification: FSC 5310 - Nuts and Washers
National Item Identification Number: NIIN 142661991
Codification Country: France
Item Name Code: INC 05277
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

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DLMS^® Summary

National Stock Number 5310-14-266-1991

National Stock Number (NSN) 5310-14-266-1991, or NIIN 142661991, (nut,self-locking,hexagon) has an unknown assigned date. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that 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.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

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 information was last updated on Oct 22, 2025.