>> Search results for: 4497075FOCAL NSN Search Results National Stock Number (NSN) Description 4240-01-220-2940, 4240012202940 Cancelled -> Replaced by 4240012528045 4240-01-252-8045 , 4240012528045 LENS,HELMET,WELDER''S 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