National Stock Number
5340-01-571-4640
National Stock Number (NSN) 5340-01-571-4640, or NIIN 015714640, (turnbuckle) was assigned February 4, 2009 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated 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, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 00502. [A METAL LOOP, SLEEVE, OR SOLID BODY WITH END PULLS, HAVING BOTH ENDS THREADED OR ONE END THREADED AND THE OTHER END DESIGNED TO ACCOMMODATE A SWIVEL. ITEMS WITH BOTH ENDS THREADED SHALL HAVE RIGHT HAND SCREW THREADS ON ONE END AND LEFT HAND SCREW THREADS ON THE OTHER. IT MAY INCLUDE LOCK NUTS, CHECK NUTS, JAM NUTS, AND/OR TERMINAL ATTACHMENT(S) SUCH AS HOOKS, RINGS, AND THE LIKE. IT IS DESIGNED TO REGULATE THE DISTANCE (TAKE-UP) BETWEEN TWO POINTS BY TURNING. SEE ALSO PELICAN HOOK AND TURNBUCKLE ASSEMBLY; AND TIE ROD, TENSIONING, THREADED END.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5340015714640 does not contain precious metals.
This information was last updated on Aug 01, 2025.