National Stock Number
3020-01-166-6793
National Stock Number (NSN) 3020-01-166-6793, or NIIN 011666793, (chain,leaf) was assigned November 16, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers 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 unique to one weapons system.
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 Apr 25, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
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 3020011666793 does not contain precious metals.
This NSN is associated to Schedule B 7315890000: other chain, not welded link, nesoi, of iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332618: other fabricated wire product manufacturing.
This information was last updated on Aug 01, 2025.