National Stock Number
5315-01-159-0157
National Stock Number (NSN) 5315-01-159-0157, or NIIN 011590157, (pin,hollow) was assigned August 1, 1983 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 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 19 contracts issued for this part number, with 19 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 14 different suppliers. The last contract numbers awarded were: SPE4A425P0153, SPE4A623PH640, SPE4A522P2005, SPE4A520P5424, SPE5E720P1942. The total value of the awarded contracts has been US$ 1,015,866.74.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
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$ 4,657. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 14, 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) 19979. [A CYLINDRICALLY-SHAPED HEADLESS ITEM, HAVING A STRAIGHT SMOOTH BODY AND A HOLE THROUGH THE LONGITUDINAL CENTER. ITS LENGTH MUST NOT EXCEED FIVE TIMES ITS DIAMETER OR 12 INCHES (304 MM), WHICHEVER IS GREATER. EXCLUDES:BEARING, SLEEVE; AND PIN, PISTON.]. 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 5315011590157 does not contain precious metals.
This information was last updated on Sep 01, 2026.