National Stock Number
8440-00-439-2128
National Stock Number (NSN) 8440-00-439-2128, or NIIN 004392128, (socks) was assigned December 3, 1969 in the Federal Logistics Information System (FLIS). NIIN 004392128 was cancelled on January 23, 2002, 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 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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 8440004392128 does not contain precious metals.
This information was last updated on Jul 01, 2025.