National Stock Number
5310-01-190-2057
National Stock Number (NSN) 5310-01-190-2057, or NIIN 011902057, (nut,plain,extended washer,round) was assigned September 24, 1984 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. One 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, only one supplier is 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, with the most recent procurement date of Mar 10, 2011. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM5A711M1559. The total value of the awarded contracts has been US$ 19.25.
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 04, 2011, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 36743. [A NUT, CIRCULAR IN SHAPE, HAVING WRENCHING FACILITIES SUCH AS FLATS, HOLES, PROTRUSIONS, SLOTS OR SPLINES IN OR ON THE PERIPHERY. IT HAS AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE WRENCHING ELEMENT PERIPHERY.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310011902057 does not contain precious metals.
This information was last updated on Jul 01, 2025.