National Stock Number
3940-00-141-7218
National Stock Number (NSN) 3940-00-141-7218, or NIIN 001417218, (block and tackle set) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 3940002729313, 3940002644782, 3940003294201.
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, with the most recent procurement date of Sep 21, 2011. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPM8EE11V0729, SPM8EE10M0751, SPM8EE10M0751. The total value of the awarded contracts has been US$ 19,795.35.
This NSN is somewhat common among different platforms, belonging to 7 different weapons systems.
There has been very little 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 Mar 02, 2006, 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) 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 3940001417218 does not contain precious metals.
This information was last updated on Aug 01, 2025.