National Stock Number
5340-00-449-3531
National Stock Number (NSN) 5340-00-449-3531, or NIIN 004493531, (button,plug) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2005, 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 Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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.]. 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 5340004493531 does not contain precious metals.
This information was last updated on Aug 01, 2025.