National Stock Number
5310-01-144-3920
National Stock Number (NSN) 5310-01-144-3920, or NIIN 011443920, (nut assembly,self-locking,gang c) was assigned December 20, 1982 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Apr 16, 2020. There have been 5 contracts issued for this part number, with 14 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4AX20F3463, SPE4A718F012R, SPE4A718F1947, SPE4AX12D9400, SPE4AX12D9400. The total value of the awarded contracts has been US$ 308,269.50.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 13, 2010, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 01864. [AN ITEM COMPOSED OF A SPECIALLY DESIGNED CHANNEL AND A SERIES OF NUTS HAVING INTEGRAL SELF-LOCKING FEATURES ASSEMBLED IN PREDETERMINED SPACING.]. 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 5310011443920 does not contain precious metals.
This information was last updated on Aug 01, 2025.