NSN 5310-99-075-8442, 5310990758442
NUT,PLAIN,CASTELLATED,HEXAGON

Federal Supply Classification: FSC 5310 - Nuts and Washers
National Item Identification Number: NIIN 990758442
Codification Country: United Kingdom
Item Name Code: INC 01854
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 5310-99-075-8442

National Stock Number (NSN) 5310-99-075-8442, or NIIN 990758442, (nut,plain,castellated,hexagon) has an unknown assigned date. This NSN replaces 1 stock number, 5310001231903.

There are no manufacturer part numbers associated to 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) 01854. [A NUT HAVING 6 FLAT SIDES, FLAT ON THE BOTTOM AND HAVING A SLOTTED CYLINDRICAL OR DOME SHAPED UPPER PORTION. IT IS DESIGNED TO PROVIDE POSITIVE LOCKING WHEN USED WITH A SOLID OR SPLIT (COTTER) PIN. EXCLUDES:NUT (1), PLAIN, SLOTTED, HEXAGON.].

This information was last updated on Jan 05, 2026.