>> Search results for: 5999520ITEMV4 NSN Search Results National Stock Number (NSN) Description 5325-01-200-1285, 5325012001285 Cancelled -> Replaced by 4820013294957 4820-01-329-4957 , 4820013294957 VALVE,CHECK 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