National Stock Number (NSN) 2640-00-535-7509, or NIIN 005357509, (flap,inner tube,pneumatic tire) 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 7 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, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Feb 10, 2020. 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 3 different suppliers. The last contract numbers awarded were: SPE7L720P2051, SPE7L719P5052, SPE7L318P6431, SPE7L714M1250, SPM7LA13M1287. The total value of the awarded contracts has been US$ 19,499.26.
This NSN is very common among different weapons systems, belonging to 26 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 3,948. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 30, 2012, 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 needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61787. [A ONE-PIECE OR SPLIT CIRCULAR ITEM MADE OF MOLDED RUBBER AND/OR FABRIC, DESIGNED FOR USE BETWEEN THE INNER TUBE AND RIM BEAD OF A PNEUMATIC TIRE TO PREVENT CHAFFING OR PINCHING OF THE INNER TUBE WHEN THE TIRE IS ASSEMBLED ON A WHEEL. EXCLUDES:RUBBER STRIP; RUBBER SHEET (AS MODIFIED); AND SEAL, RUBBER (AS MODIFIED).]. 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 2640005357509 does not contain precious metals.
This NSN is associated to Schedule B 4013900000: inner tubes, of rubber, nesoi. The Schedule B End Use is listed as industrial rubber products. NAICS classification category 326211: tire manufacturing (except retreading).
This information was last updated on Aug 01, 2025.