National Stock Number
3020-01-305-7907
National Stock Number (NSN) 3020-01-305-7907, or NIIN 013057907, (chain,leaf) was assigned August 11, 1989 in the Federal Logistics Information System (FLIS). NIIN 013057907 was cancelled on January 2, 2004, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 3020010748381. 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, there are no suppliers that are 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) 33508. [A FLEXIBLE MECHANICAL DEVICE CONSISTING OF FLAT LEAF PLATES ASSEMBLED WITH PINS OR RIVETS TO FORM A CHAIN. THE CHAIN USES A FLANGED SHEAVE IN LIEU OF A SPROCKET. EACH END HAS A TERMINATION HOLE THROUGH WHICH SECURING PINS ARE INSERTED WHEN THE CHAIN TERMINATIONS ARE ATTACHED. EXCLUDES:CHAIN, SILENT; AND CHAIN, BLOCK.]. 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 3020013057907 does not contain precious metals.
This information was last updated on Aug 01, 2025.