>> Search results for: 67HR8C4 NSN Search Results National Stock Number (NSN) Description 4120-99-708-9174, 4120997089174 REGULATOR,AIR 4120-99-300-3745 , 4120993003745 REGULATOR,AIR 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