National Stock Number
5340-01-268-9139
National Stock Number (NSN) 5340-01-268-9139, or NIIN 012689139, (turnbuckle) was assigned December 9, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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.
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 Dec 17, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
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 5340012689139 does not contain precious metals.
This information was last updated on Jul 01, 2025.