National Stock Number (NSN) 1005-01-627-0311, or NIIN 016270311, (adapter rail,weapon mounted) was assigned March 30, 2014 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 manufacturer part numbers associated with this NSN. 2 of those 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 a year. There have been 5 contracts issued for this part number, with 5 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L522V2233, SPE7L521V2281, SPE7L419V1195, SPE7L417P0914, SPE7L417P0727. The total value of the awarded contracts has been US$ 8,460.87.
This NSN is unique to one weapons system.
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 Jan 30, 2018, 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) 51728. [A DEVICE THAT PROVIDE(S) RAIL TYPE MOUNTING SURFACES ON A RIFLE, CARBINE, MACHINE GUN OR PISTOL. THE MOUNTING SURFACES WILL ALLOW THE ATTACHMENT OF VARIOUS ACCESSORIES TO THE WEAPON WHICH MAY INCLUDE FORWARD PISTOL GRIPS(S), FLASHLIGT(S), VARIOUS SIGHTING DEVICES, AND THE LIKE. IT MAY/MAY NOT BE PERMANENTLY MOUNTED.]. 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 1005016270311 does not contain precious metals.
This NSN is associated to Schedule B 9305996600: part and accessories of articles of headings 9301 to 9304, nesoi. The Schedule B End Use is listed as toys, games, and sporting goods. NAICS classification category 332994: small arms, ordnance, and ordnance accessories manufacturing.
This information was last updated on Aug 01, 2025.