National Stock Number (NSN) 2540-01-510-2836, or NIIN 015102836, (chock,wheel-track) was assigned July 16, 2003 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 25 contracts issued for this part number, with 25 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 11 different suppliers. The last contract numbers awarded were: SPE7L125V9802, SPE7L125V9802, SPE7L225F0830, SPE7L225F0830, SPE7L225F0644. The total value of the awarded contracts has been US$ 186,976.80.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of 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 high volatility, with an estimated forecasted value of US$ 30,815. 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: 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) 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 2540015102836 contains an unknown precious metal.
This NSN is associated to Schedule B 4017000000: hard rubber (for example, ebonite) in all forms, including waste and scrap; articles of hard rubber. The Schedule B End Use is listed as industrial rubber products. NAICS classification category 326299: all other rubber product manufacturing.
This information was last updated on Aug 01, 2025.