National Stock Number
4210-01-247-5178
National Stock Number (NSN) 4210-01-247-5178, or NIIN 012475178, (drain,automatic,fire sprinkling system) was assigned January 8, 1987 in the Federal Logistics Information System (FLIS). NIIN 012475178 was cancelled on May 31, 2000, 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. ISO Group has several sources of supply for 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.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). 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 4210012475178 does not contain precious metals.
This information was last updated on Jul 01, 2025.