National Stock Number
3940-01-721-5058
National Stock Number (NSN) 3940-01-721-5058, or NIIN 017215058, (block and tackle set) was assigned June 15, 2024 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 21054. [A MECHANICAL DEVICE CONSISTING OF A GROUP OF BLOCKS AND TACKLES, WHICH MAY HAVE ATTACHMENTS SUCH AS WIRE GRIPS, SHACKLES, HOOKS, RINGS OR THE LIKE. IT IS DESIGNED TO RAISE AND PULL FROM SEVERAL DIRECTIONS TO OR FROM A GIVEN POINT.]. 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 3940017215058 does not contain precious metals.
This information was last updated on Jul 01, 2025.