National Stock Number
1730-01-491-1421
National Stock Number (NSN) 1730-01-491-1421, or NIIN 014911421, (chock,wheel-track) was assigned October 15, 2001 in the Federal Logistics Information System (FLIS). NIIN 014911421 was cancelled on November 2, 2005, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 1730015164899. 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, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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.
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 data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1730014911421 does not contain precious metals.
This information was last updated on May 01, 2025.