>> Search results for: CS0231171 NSN Search Results National Stock Number (NSN) Description 1440-99-783-7852, 1440997837852 HELMET 1440-99-783-7851 , 1440997837851 OPERATORS HELMET 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