>> Search results for: 5631900 NSN Search Results National Stock Number (NSN) Description 5840-00-166-5191, 5840001665191 MODULATOR ASSEMBLY 4820-01-221-4260 , 4820012214260 VALVE,GLOBE 4820-01-211-8830, 4820012118830 VALVE,STOP-CHECK 4820-01-253-2190 , 4820012532190 VALVE,STOP-CHECK 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