National Stock Number
2540-01-498-8821
National Stock Number (NSN) 2540-01-498-8821, or NIIN 014988821, (chain assembly,tire) was assigned July 3, 2002 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Nov 30, 2017. There have been 13 contracts issued for this part number, with 26 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: SPE7LX18F0815, SPE7MX17D0005, SPE7MX17D0005, SPE7MX17D0005, SPE7L717V0231. The total value of the awarded contracts has been US$ 3,712,539.31.
This NSN is unique to one weapons system.
There has been a small amount of 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 Feb 10, 2020, 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) 08918. [A SERIES OF INTERCONNECTED METAL LINKS FORMING TWO OR MORE PARALLEL LENGTHS, CROSS-CONNECTED, USUALLY AT RIGHT ANGLES. DESIGNED TO BE FASTENED OVER THE TREAD OR PERIMETER OF A TIRE(S) OF A VEHICLE TO INCREASE TRACTION AND/OR PREVENT SKIDDING.]. 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 2540014988821 does not contain precious metals.
This NSN is associated to Schedule B 8708998175: parts and accessories, for motor vehicles of headings 8701 to 8705, nesoi. The Schedule B End Use is listed as other parts and accessories of vehicles.
This information was last updated on Jul 01, 2025.