National Stock Number
5340-00-664-0398
National Stock Number (NSN) 5340-00-664-0398, or NIIN 006640398, (button,plug) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
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 5340006640398 does not contain precious metals.
This information was last updated on Aug 01, 2025.