National Stock Number
3020-01-105-3731
National Stock Number (NSN) 3020-01-105-3731, or NIIN 011053731, (pulley,groove) was assigned December 20, 1980 in the Federal Logistics Information System (FLIS). NIIN 011053731 was cancelled on April 30, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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) 08109. [A PULLEY WITH ONE OR MORE GROOVED FACES OR RIMS OF THE SAME DIAMETER. FOR PULLEYS ENCASED IN A SHELL OR FRAME, SEE BLOCK, TACKLE. FOR ITEMS SPECIFICALLY DESIGNED FOR AVIATION, SEE PULLEY(1), GROOVE, AVIATION.]. 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 3020011053731 does not contain precious metals.
This information was last updated on Aug 01, 2025.