>> Search results for: K2029A NSN Search Results National Stock Number (NSN) Description 4470-01-005-8911, 4470010058911 BY-PASS RETAINING RING 4820-01-331-0536 , 4820013310536 VALVE,SAFETY RELIEF 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