National Stock Number
5340-00-040-1022
National Stock Number (NSN) 5340-00-040-1022, or NIIN 000401022, (torsion bar,hinge) 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 are no manufacturer part numbers associated to 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) 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.]. 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 5340000401022 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.