National Stock Number
4210-01-370-3291
National Stock Number (NSN) 4210-01-370-3291, or NIIN 013703291, (drain,automatic,fire sprinkling system) has an unknown assigned date. NIIN 013703291 was cancelled on September 18, 1999, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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 assigned to Item Name Code (INC) 19563. [A DEVICE ACTUATED BY THE FORCE OF THE FLOW OF WATER PASSING THROUGH IT. DESIGNED TO REMAIN OPEN TO PERMIT A GRAVITY FLOW, CLOSING WHEN THE FLOW EXCEEDS THAT OF GRAVITY PRESSURE. USED TO DRAIN SMALL LEAKAGE FROM FIRE PROTECTION SPRINKLING SYSTEMS.]. 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 4210013703291 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.