National Stock Number (NSN) 2620-01-157-3821, or NIIN 011573821, (tire,pneumatic,aircraft) was assigned July 5, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2620014175316.
There are 11 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 6 suppliers are listed as Active suppliers 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 is actively being procured by the US Government, with procurement history within the last 90 days. There have been 946 contracts issued for this part number, with 1332 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: SPE7LX25F55G4, SPE7LX25F45E1, SPE7LX25F45H0, SPE7LX25F44U1, SPE7LX25F37H0. The total value of the awarded contracts has been US$ 19,576,019.50.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
There has been very little 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 low volatility, with an estimated forecasted value of US$ 2,829,297. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 05, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 51021. [A MECHANICAL DEVICE MADE OF RUBBER, CHEMICALS, FABRIC AND STEEL OR OTHER MATERIALS, WHICH, MOUNTED ON AN AIRCRAFT WHEEL, PROVIDES THE TRACTION AND CONTAINS THE FLUID THAT SUSTAINS THE LOAD. TUBE TYPE TIRES ARE OF A FORM TO INCLOSE AN INNER TUBE CONTAINING AIR UNDER PRESSURE. TUBELESS TIRES INCORPORATE CARCASS MATERIALS AND CONSTRUCTION TO PROVIDE FLUID RETENTION EQUAL TO THAT OF A CONVENTIONAL TIRE AND TUBE.]. 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 2620011573821 does not contain precious metals.
This NSN is associated to Schedule B 4011300000: new pneumatic tires, of rubber, used on aircraft. The Schedule B End Use is listed as parts-civilian aircraft. NAICS classification category 326211: tire manufacturing (except retreading).
This information was last updated on Jul 01, 2025.