>> Search results for: 424001930 NSN Search Results National Stock Number (NSN) Description 4240-01-175-3443, 4240011753443 MASK,CHEMICAL-BIOLOGICAL 4240-01-175-3444 , 4240011753444 MASK,CHEMICAL-BIOLOGICAL 4240-01-175-3445, 4240011753445 MASK,CHEMICAL-BIOLOGICAL 4240-01-284-3615 , 4240012843615 MASK,CHEMICAL-BIOLOGICAL 4240-01-284-3616, 4240012843616 MASK,CHEMICAL-BIOLOGICAL 4240-01-284-3617 , 4240012843617 MASK,CHEMICAL-BIOLOGICAL 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