National Stock Number
5120-01-664-4623
National Stock Number (NSN) 5120-01-664-4623, or NIIN 016644623, (crowfoot attachment set,socket w) was assigned June 20, 2017 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 6 manufacturer part numbers associated with this NSN. 3 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, there are no suppliers that are deemed design controlled or valid supply parts. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 21, 2017, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 52752. [A GROUP OF VARIOUS SIZED CROWFOOT ATTACHMENT, SOCKET WRENCH. IT MAY INCLUDE A HOLDER OR THE LIKE. EXCLUDES:WRENCH SET, CROWFOOT, RATCHETING.]. 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 5120016644623 does not contain precious metals.
This NSN is associated to Schedule B 8204110060: hand-operated spanners and wrenches, nonadjustable, and parts, base metal, other. The Schedule B End Use is listed as photo, service industry machinery.
This information was last updated on Aug 01, 2025.