National Stock Number (NSN) 5310-01-338-3911, or NIIN 013383911, (nut,plain,round) was assigned May 3, 1991 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 22 sources of supply.
This part number has not been procured by the US Government in over a year. There have been 13 contracts issued for this part number, with 13 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 10 different suppliers. The last contract numbers awarded were: SPE5EJ21V1323, SPE5E319V7831, SPE5E319V7269, SPE5E319V7269, SPE5E318V8267. The total value of the awarded contracts has been US$ 11,646.29.
This NSN is fairly common among different weapons systems, belonging to 21 different platforms.
This national stock number is in high demand. Globally, demand for this NSN has originated from 11 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 1,810. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 13, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 15887. [A NUT, CIRCULAR IN SHAPE, WHICH MAY HAVE WRENCHING FACILITIES SUCH AS FLATS, HOLES, PROTRUSIONS, SLOTS OR SPLINES IN OR ON THE PERIPHERY OR IN THE FACE OPPOSITE THE BEARING SURFACE. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE OUTSIDE DIAMETER, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. SEE ALSO NUT (1), PLAIN, KNURLED. (WHEN HEIGHT OR THICKNESS AND/OR OUTSIDE DIAMETER IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.)]. 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 5310013383911 does not contain precious metals.
This information was last updated on Aug 01, 2025.