National Stock Number (NSN) 5340-00-416-4138, or NIIN 004164138, (plunger,detent) was assigned January 1, 1961 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. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is somewhat common among different platforms, belonging to 5 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 Apr 12, 2013, 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 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.]. 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 5340004164138 contains an unknown precious metal.
This NSN is associated to Schedule B 8487900080: machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333999: all other miscellaneous general purpose machinery manufacturing.
This information was last updated on Jul 01, 2025.