>> Search results for: 301690SHT1 NSN Search Results National Stock Number (NSN) Description 4820-01-688-6270, 4820016886270 VENT CLOSURE 4820-01-688-7992 , 4820016887992 VENT CLOSURE 4820-01-688-8003, 4820016888003 VENT CLOSURE 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