National Stock Number
5340-00-664-9800
National Stock Number (NSN) 5340-00-664-9800, or NIIN 006649800, (turnbuckle) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated 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 Sep 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 5340006649800 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.