National Stock Number
5340-01-689-0056
National Stock Number (NSN) 5340-01-689-0056, or NIIN 016890056, (torsion bar,hinge) was assigned June 2, 2020 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 04, 2020, 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) 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 5340016890056 does not contain precious metals.
This information was last updated on Jul 01, 2025.