>> Search results for: B15SW8IN NSN Search Results National Stock Number (NSN) Description 4820-00-148-0087, 4820001480087 Cancelled -> Replaced by 4820012733325 4820-01-272-5504 , 4820012725504 VALVE,CHECK 4820-01-434-6638, 4820014346638 SEAT,VALVE 4820-01-434-6639 , 4820014346639 DISK,VALVE 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