National Stock Number
2540-00-288-2873
National Stock Number (NSN) 2540-00-288-2873, or NIIN 002882873, (chock,wheel-track) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 2540012443672, 2540004211521, 2540005370918.
There are 6 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, 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 a year. There have been 10 contracts issued for this part number, with 13 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: SPE7L123P7514, SPE7L218V1864, SPE7L218V1864, SPE7L018V7384, SPE7L018V7384. The total value of the awarded contracts has been US$ 158,378.29.
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 Dec 04, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 33472. [AN ITEM CONSISTING OF A SINGLE CHOCK OR A PAIR OF CHOCKS WHICH ARE CONNECTED BY A SPREADER BAR, ROPES, OR THE LIKE. IT IS DESIGNED TO BE PLACED IN FRONT OF, AND/OR BEHIND A WHEEL OR TRACK TO PREVENT MOVEMENT.]. 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 2540002882873 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.