National Stock Number
4010-00-373-1399
National Stock Number (NSN) 4010-00-373-1399, or NIIN 003731399, (chain assembly,single leg) was assigned March 12, 1974 in the Federal Logistics Information System (FLIS). NIIN 003731399 was cancelled on July 2, 2007, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4010000626414. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 09765. [AN ASSEMBLY OF CHAIN(S), WITH OR WITHOUT ATTACHMENTS, IN A CONTINUOUS RUN FROM END TO END. IT MAY CONTAIN ONE OR MORE INTERMEDIATE AND/OR END ATTACHMENTS, SUCH AS SLIDING OR FIXED RINGS, SWIVELS, HOOKS, OR THE LIKE.]. 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 4010003731399 does not contain precious metals.
This information was last updated on Aug 01, 2025.