>> Search results for: MC027B NSN Search Results National Stock Number (NSN) Description 4820-01-234-6930, 4820012346930 VALVE,GLOBE 5325-01-290-8213 , 5325012908213 RING,RETAINING 4820-01-239-0329, 4820012390329 RETAINER,DISK,VALVE 5331-01-298-8055 , 5331012988055 O-RING 4820-01-239-0530, 4820012390530 DISK,VALVE 4820-01-302-3005 , 4820013023005 RETAINER,VALVE BONNET 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