National Stock Number
2620-01-657-4541
National Stock Number (NSN) 2620-01-657-4541, or NIIN 016574541, (inner tube,pneumatic tire,aircra) was assigned August 15, 2016 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 3 contracts issued for this part number, with 3 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: SPE7L024V5580, SPE7L223V1265, SPE7L719P1614. The total value of the awarded contracts has been US$ 2,950.50.
This NSN is unique to one weapons system.
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 Dec 12, 2018, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 51023. [A HOLLOW, CYLINDRICAL VULCANIZED BODY OF RUBBER, CIRCULAR IN CROSS SECTION, AND FITTED WITH A VALVE AND/OR SPUD TO PERMIT INFLATION. IT IS USED INSIDE AN AIRCRAFT PNEUMATIC TIRE FOR REINFORCEMENT AND TO ABSORB SHOCK.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2620016574541 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 Jul 01, 2025.