National Stock Number (NSN) 5340-01-166-2055, or NIIN 011662055, (plunger,detent) was assigned November 9, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 May 07, 2019. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE5EK19V4374, SPE5EK17V4546, SPE5EK15V3561, SPM5L311V3293. The total value of the awarded contracts has been US$ 8,357.25.
This NSN is somewhat common among different platforms, belonging to 7 different weapons systems.
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 Dec 17, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 60828. [A METALLIC ITEM, SOLID OR TUBULAR, HAVING ONE CLOSED END FORMED TO FIT INTO A SHALLOW RECESS OR GROOVE, OR HAVING A FLAT OR CONCAVE SURFACE USED TO EXERT PRESSURE AGAINST A COMPONENT PART. IT IS DESIGNED FOR USE WITH A SPRING, HELICAL, COMPRESSION, WHICH EXERTS PRESSURE TO HOLD A SHAFT, PIN, OR THE LIKE, IN A SEMIRIGID POSITION IN HOUSINGS OR OTHER MECHANICAL DEVICES. DOES NOT HAVE INTERNAL OR EXTERNAL THREADS. EXCLUDES:PLUNGER, QUICK RELEASE. FOR ELECTRICAL ITEMS, SEE DETENT, SWITCH AND PLUNGER, SOLENOID. SEE ALSO CATCH, FRICTION.]. 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 5340011662055 does not contain precious metals.
This information was last updated on Aug 01, 2025.