National Stock Number (NSN) 2620-01-137-3398, or NIIN 011373398, (tire,pneumatic,aircraft) was assigned August 25, 1982 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 7 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 13 sources of supply.
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 2170 contracts issued for this part number, with 1801 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: SPE7LX25F55D0, SPE7LX25F54M1, SPE7LX25F52G1, SPE7LX25F50Q1, SPE7LX25F49F5. The total value of the awarded contracts has been US$ 7,670,029.55.
This NSN is somewhat common among different platforms, belonging to 8 different weapons systems.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 7 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 11, 2009, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
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 2620011373398 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 Aug 01, 2025.