National Stock Number
1240-00-394-3146
National Stock Number (NSN) 1240-00-394-3146, or NIIN 003943146, (headrest,optical instrument) was assigned April 5, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 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 a year. There have been 12 contracts issued for this part number, with 12 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7M924V0430, SPE7M121V2809, SPE7M120P8040, SPE7M120P8040, SPE7M119V0905. The total value of the awarded contracts has been US$ 210,283.80.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of 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 03, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 22110. [AN ITEM FABRICATED FROM A CELLULAR RUBBER PAD, CEMENTED TO A RIGID OR SEMIRIGID BACKPLATE. IT IS USUALLY SHAPED TO FIT THE CURVATURE OF THE FOREHEAD OR A SINGLE BROW OF THE OBSERVER. IT IS DESIGNED TO BE MOUNTED ON SIGHTING DEVICES, SUCH AS PERISCOPES, TELESCOPE MOUNTS, RANGE FINDERS, AND THELIKE, TO PROTECT THE OBSERVER FROM VIBRATION AND/OR SHOCK WHILE SIGHTING.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1240003943146 does not contain precious metals.
This NSN is associated to Schedule B 9803200000: military equipments not identified by kind. The Schedule B End Use is listed as military apparel and footwear.
This information was last updated on Jul 01, 2025.