>> Search results for: 551194 NSN Search Results National Stock Number (NSN) Description 4820-00-338-3505, 4820003383505 DIAPHRAGM,VALVE,FLAT 4210-01-576-8971 , 4210015768971 CYLINDER,FIRE EXTINGUISHER 2920-23-112-8114, 2920231128114 SOCKET PLUG. 2920-23-112-8105 , 2920231128105 BRUSH HOLDER. 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