National Stock Number
8440-01-668-7020
National Stock Number (NSN) 8440-01-668-7020, or NIIN 016687020, (socks) was assigned December 4, 2017 in the Federal Logistics Information System (FLIS). NIIN 016687020 was cancelled on March 2, 2018, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 37739. [ITEMS OF FOOTWEAR WHICH COVER THE FEET AND LEGS PART WAY TO THE KNEES.]. 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 8440016687020 does not contain precious metals.
This information was last updated on Aug 01, 2025.