National Stock Number
2540-01-509-5834
National Stock Number (NSN) 2540-01-509-5834, or NIIN 015095834, (chock,wheel-track) was assigned June 26, 2003 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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 not been procured by the US Government in over a year. There have been 11 contracts issued for this part number, with 17 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE7L421V0446, SPE7L421V0446, SPE7L021V1647, SPE7L021V0370, SPE7L020V0052. The total value of the awarded contracts has been US$ 106,897.14.
This NSN is somewhat common among different platforms, belonging to 4 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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 22, 2007, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
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 2540015095834 does not contain precious metals.
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 Jul 01, 2025.