National Stock Number
5340-01-439-9452
National Stock Number (NSN) 5340-01-439-9452, or NIIN 014399452, (torsion bar,hinge) was assigned December 24, 1996 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.
This NSN is assigned to Item Name Code (INC) 21948. [A STRAIGHT METAL ITEM OF VARIOUS CROSS-SECTIONAL SHAPES, WITH SERRATIONS, FLATS, OR THE LIKE, ON EACH END. IT IS DESIGNED TO WITHSTAND A SEVERE TWISTING ACTION ALONG ITS LONGITUDINAL AXIS WHILE HELD FAST AT BOTH ENDS. IT IS USED IN LIEU OF A HINGE PIN AND CREATES TENSION ON A HATCH(ES), DOOR(S), GATE(S), OR THE LIKE, WHEN IN A CLOSED OR OPEN POSITION. EXCLUDES:TORSION BAR, SUSPENSION.]. 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 5340014399452 does not contain precious metals.
This information was last updated on Jul 01, 2025.