>> Search results for: B4A33 NSN Search Results National Stock Number (NSN) Description 5910-00-551-2442, 5910005512442 Cancelled -> Replaced by 5910010414735 1240-25-100-5047 , 1240251005047 SIGHTUNIT 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