National Stock Number
3940-00-202-3601
National Stock Number (NSN) 3940-00-202-3601, or NIIN 002023601, (block and tackle set) was assigned June 13, 1980 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 05, 2020, 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 Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
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 3940002023601 does not contain precious metals.
This information was last updated on Aug 01, 2025.