National Stock Number
3950-01-663-5379
National Stock Number (NSN) 3950-01-663-5379, or NIIN 016635379, (pulley,whelped groove) was assigned May 12, 2017 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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) 46763. [A PULLEY WITH GROOVES AND POCKETS SHAPED TO ACCOMMODATE THE LINKS OF A LOAD CHAIN. THERE IS A POSITIVE CONNECTION BETWEEN THE ITEM AND THE CHAIN.]. 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 3950016635379 does not contain precious metals.
This information was last updated on Aug 01, 2025.