>> Search results for: S21440 NSN Search Results National Stock Number (NSN) Description 6630-00-446-3717, 6630004463717 COMPARATOR,METAL 5120-01-671-1467 , 5120016711467 PLIERS,SLIP JOINT 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