National Stock Number
5120-00-398-1425
National Stock Number (NSN) 5120-00-398-1425, or NIIN 003981425, (adapter,turnbuckle,crowfoot sock) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5120004903731.
There are 5 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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.
This NSN is assigned to Item Name Code (INC) 21184. [A WRENCH COMPONENT WITH ONE END DESIGNED TO FIT INTO A HEAD, CROWFOOT SOCKET WRENCH AND THE OTHER END DESIGNED TO SLIDE OVER AND PARTIALLY ENCIRCLE A ROUND BODY TYPE TURNBUCKLE. A REMOVABLE DRIVE PIN, EXTENDING THROUGH THE CENTER OF THE TURNBUCKLE OPENING AT RIGHT ANGLES, PROVIDES A MEANS OF LOCKING THE ADAPTER TO THE TURNBUCKLE FOR TURNING TO REDUCE OR INCREASE TENSION.]. 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 5120003981425 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.