National Stock Number
4210-01-174-2228
National Stock Number (NSN) 4210-01-174-2228, or NIIN 011742228, (drain,automatic,fire sprinkling system) has an unknown assigned date. NIIN 011742228 was cancelled on December 2, 1993, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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 4210011742228 does not contain precious metals.
This information was last updated on Aug 01, 2025.