>> Search results for: B4220B NSN Search Results National Stock Number (NSN) Description 4820-01-234-4924, 4820012344924 STEM,FLUID VALVE 4820-00-431-8323 , 4820004318323 VALVE,STOP-CHECK 4820-00-482-4028, 4820004824028 Cancelled -> Replaced by 4820007587633 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