National Stock Number
5120-00-178-1251
National Stock Number (NSN) 5120-00-178-1251, or NIIN 001781251, (socket,crowfoot wrench head) was assigned April 11, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 17105. [A COMPONENT WITH AN OPEN-WALL OPENING HAVING ONE END DESIGNED TO FIT INTO A HEAD, CROWFOOT SOCKET WRENCH AND THE OTHER END HAVING AN INTERNAL OPENING SUCH AS HEXAGONAL OR 8-POINT. SEE ALSO CROWFOOT ATTACHMENT, SOCKET WRENCH.]. 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 5120001781251 does not contain precious metals.
This NSN is associated to Schedule B 8204200000: socket wrenches with or without handles, drives and extensions, parts, base metal. The Schedule B End Use is listed as photo, service industry machinery.
This information was last updated on Aug 01, 2025.