National Stock Number
5310-01-518-4387
National Stock Number (NSN) 5310-01-518-4387, or NIIN 015184387, (washer blank) was assigned March 11, 2004 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 5 contracts issued for this part number, with 4 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A522P0168, SPE5EC20P0536, SPE5EC20P0535, SPE5EC20P0109, SPE5EC20P0088. The total value of the awarded contracts has been US$ 1,189.93.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 606. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 22, 2019, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 18055. [AN ITEM OF VARIOUS SHAPES AND SIZES, HAVING TWO FLAT BEARING SURFACES WHICH MAY OR MAY NOT BE PARALLEL. IT IS USED IN THE MANUFACTURE OF A WASHER BY DRILLING OR PUNCHING A HOLE IN THE CENTER. EXCLUDES:DISK (AS MODIFIED).]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310015184387 does not contain precious metals.
This information was last updated on Aug 01, 2025.