National Stock Number
4820-01-582-6722
National Stock Number (NSN) 4820-01-582-6722, or NIIN 015826722, (valve,fire check) was assigned March 2, 2010 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 somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 03, 2010, 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) 16997. [A VALVE WHICH WORKS ON A THERMOSTATIC PRINCIPLE TO STOP AND EXTINGUISH BACKFIRE IN GAS-AIR PIPELINES BY UTILIZING THE HEAT GENERATED BY THE FIRE TO ACTUATE THE MECHANISM WHICH CLOSES THE VALVE. IT ALSO CONTAINS A SWING CHECK ON THE INLET CONNECTION WHICH CLOSES IMMEDIATELY UPON SHOCK CAUSED BY BACKFIRE, SHUTTING OFF THE GAS-AIR MIXTURE. IT IS DESIGNED FOR INSTALLATION IN A PIPELINE TO FEED GAS-AIR MIXTURES TO BURNERS AND THE LIKE.]. 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 4820015826722 does not contain precious metals.
This NSN is associated to Schedule B 8481809050: other taps, cocks, valves, etc., nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Jun 01, 2025.