National Stock Number
4210-01-187-5133
National Stock Number (NSN) 4210-01-187-5133, or NIIN 011875133, (drain,automatic,fire sprinkling system) was assigned August 23, 1984 in the Federal Logistics Information System (FLIS). NIIN 011875133 was cancelled on June 2, 2013, 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 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 4 suppliers. Today, 3 suppliers are listed as Active suppliers 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 5 years, with the most recent procurement date of Nov 21, 2012. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM7M013M0986. The total value of the awarded contracts has been US$ 6,250.00.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
There has been a small amount of 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 Sep 01, 2020, 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) 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 nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. 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 4210011875133 does not contain precious metals.
This information was last updated on Jul 01, 2025.