>> Search results for: PSN50 NSN Search Results National Stock Number (NSN) Description 6625-01-577-0243, 6625015770243 SENSOR,CURRENT 4210-01-129-8031 , 4210011298031 HEAD,SPRINKLER,FIRE PROTECTION 4210-00-221-5792, 4210002215792 HEAD,SPRINKLER,FIRE PROTECTION 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information