>> Search results for: B37426 NSN Search Results National Stock Number (NSN) Description 4820-01-179-9831, 4820011799831 VALVE,CHECK 4820-01-189-0928 , 4820011890928 DISK,VALVE 5340-01-185-2169, 5340011852169 COVER,ACCESS 1 Related Inventory 376 1 1/2 IN.4820011799831Condition NSVALVE Readily AvailableAdd to RFQ 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