National Stock Number (NSN) 5340-00-290-4537, or NIIN 002904537, (button,plug) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5340011670438.
There are 5 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 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 Mar 22, 2019. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPM5EN19FA93R, SPM5EN19FA93R, SPM5EN18FA866, SPM5EN14D0001, SPM5EK13V1917. The total value of the awarded contracts has been US$ 2,514.44.
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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 02, 2011, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 11251. [AN ITEM, USUALLY MADE OF METAL, HAVING A FINISHED CAP WITH SPRING TENSION PRONGS ON THE UNDERSIDE, OR SPRING WIRE FITTED INTO THE SIDES OF THE WALLS. WHEN INSERTED IN PUNCHED OR DRILLED HOLES IN METAL SHEETS OR TUBES, THE EXPANDING ACTION OF THE PRONGS OR SPRING WIRE HOLDS THE ITEM SECURELY IN PLACE. IT IS SPECIFICALLY DESIGNED TO CLOSE A HOLE; TO COVER A HOLE THROUGH WHICH PASSES A SHAFT, CABLE, OR THE LIKE; OR TO PROVIDE A PERFORATED COVER FOR A VENT OR BREATHER HOLE. EXCLUDES FASTENER, SPRING TENSION, TRIM.]. 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 5340002904537 contains an unknown precious metal.
This NSN is associated to Schedule B 7326190000: other articles of iron or steel forged or stamped, but not further worked, nesoi. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332999: all other miscellaneous fabricated metal product manufacturing.
This information was last updated on Jul 01, 2025.