National Stock Number (NSN) 2540-01-055-8646, or NIIN 010558646, (seat,vehicular) was assigned February 12, 1978 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2540012414824.
There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Dec 20, 2010. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7L211M2042, SPM7L211M2042, SPM7L210V3948, SPM7L210V3948. The total value of the awarded contracts has been US$ 5,988.36.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 04, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 33801. [A SEAT DESIGNED TO ACCOMMODATE ONE OR MORE PERSONS (OPERATOR AND/OR PASSENGERS) FOR USE ON GROUND VEHICLES, CONSTRUCTION EQUIPMENT, MACHINERY, AND THE LIKE. IT MAY BE COVERED, PADDED, UPHOLSTERED, AND EQUIPPED WITH ARM AND/OR BACKREST. A SUPPORT, SEAT, VEHICULAR MAY BE INCLUDED IF IT IS PERMANENTLY FASTENED TO THE SEAT. EXCLUDES:STRADDLE TYPE SEATS (SADDLE), SEAT, AIRCRAFT AND SEAT, SHIPBOARD SURFACE LOOKOUT.]. 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 2540010558646 contains an unknown precious metal.
This NSN is associated to Schedule B 9401200000: seats of a kind used for motor vehicles. The Schedule B End Use is listed as other parts and accessories of vehicles. NAICS classification category 336360: motor vehicle seating and interior trim manufacturing.
This information was last updated on Aug 01, 2025.