National Stock Number
3940-00-892-4557
National Stock Number (NSN) 3940-00-892-4557, or NIIN 008924557, (block,tackle) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). NIIN 008924557 was cancelled on November 2, 2009, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 3940015015082. This NSN replaces 2 stock numbers: 3940002228507, 3940002228516.
There are no manufacturer part numbers associated to this NSN. 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 06117. [A MECHANICAL DEVICE, CONSISTING OF A PULLEY(S) OR SHEAVE(S) ENCASED IN A SHELL OR FRAME WHICH MAY BE PROVIDED WITH A MEANS SUCH AS A HOOK, EYE, STRAP, SCREW, AND THE LIKE, BY WHICH IT MAY BE ATTACHED TO AN OBJECT. IT IS USED TO CHANGE DIRECTION OF RUNNING ROPE AND\OR TO GAIN A MECHANICAL ADVANTAGE.]. 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 3940008924557 does not contain precious metals.
This information was last updated on Aug 01, 2025.