NSN 4210-22-257-2764, 4210222572764
VALVE,CONTROL,AUTOMATIC SPRINKLER

Federal Supply Classification: FSC 4210 - Fire Fighting Equipment
National Item Identification Number: NIIN 222572764
Codification Country: Denmark
Item Name Code: INC 03969
Hazardous Material Indicator Code: (P) 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.

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DLMS^® Summary

National Stock Number 4210-22-257-2764

National Stock Number (NSN) 4210-22-257-2764, or NIIN 222572764, (valve,control,automatic sprinkler) has an unknown assigned date. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is unique to one weapons system.

This NSN is assigned to Item Name Code (INC) 03969. [A DEVICE DESIGNED FOR INSTALLATION IN THE MAIN RISER OF A DRY OR EMPTY PIPE AUTOMATIC SPRINKLER SYSTEM AND HELD CLOSED BY SPRING FORCE, AIR, OR WATER PRESSURE. WATER IS AUTOMATICALLY RELEASED TO THE SPRINKLER SYSTEM EITHER BY RELEASING OR LOWERING THE PRESSURE BEYOND THE MINIMUM REQUIREMENT OR ADMITTING AND INCREASING THE PRESSURE TO OVERCOME THE SPRING FORCE.].

This information was last updated on Aug 11, 2025.