>> Search results for: 220T12TT NSN Search Results National Stock Number (NSN) Description 4820-01-140-1862, 4820011401862 VALVE,CHECK 4820-00-155-8054 , 4820001558054 VALVE,CHECK 5331-01-043-4341, 5331010434341 O-RING 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