>> Search results for: TUBEGUARD NSN Search Results National Stock Number (NSN) Description 6680-66-112-5433, 6680661125433 GUARD TUBE,SIGHT GL 6680-66-087-9921 , 6680660879921 GUARD TUBE,SIGHT GL 4730-99-107-3980, 4730991073980 TUBEGUARD ASSEMBLY 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