National Stock Number (NSN) 5340-01-042-2491, or NIIN 010422491, (plunger,quick release) was assigned June 7, 1977 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5340004864688.
There are 5 manufacturer part numbers associated with this NSN. 2 of those 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, 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 Jan 17, 2017. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE5EJ17V2360, SPE5EJ15V7404, SPE5EJ15V7404, SPM5M210V1936, SPM5M210V1936. The total value of the awarded contracts has been US$ 3,414.76.
This NSN is very common among different weapons systems, belonging to 58 different platforms.
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$ 2,467. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 19876. [AN EXTERNALLY THREADED TUBULAR ITEM CONTAINING A SPRING LOADED DEVICE (PIN, BALL, AND THE LIKE). THE DEVICE IS HELD IN THE THROWN POSITION BY THE SPRING AND RECEDES WHEN PRESSURE IS EXERTED AGAINST IT. IT IS USED AS A LOCATOR, DETENT, AND THE LIKE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5340010422491 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.