National Stock Number
5120-01-137-3371
National Stock Number (NSN) 5120-01-137-3371, or NIIN 011373371, (ratchet head,socket wrench handl) was assigned August 25, 1982 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
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 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 18872. [A REVERSIBLE RATCHETING MECHANISM HAVING A SQUARE EXTERNAL END DESIGNED TO FIT INTO THE INTERNAL END OF A WRENCH SOCKET OR ATTACHMENT, AND HAS PROVISIONS FOR A ROUND BAR GRIP, BUT DOES NOT INCLUDE THE BAR. WHEN FURNISHED WITH A BAR, SEE HANDLE, SOCKET WRENCH. EXCLUDES:RATCHET 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 5120011373371 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.