>> Search results for: D76451 NSN Search Results National Stock Number (NSN) Description 5826-00-394-3982, 5826003943982 Cancelled -> Replaced by 6610000959264 4240-99-521-3464 , 4240995213464 BREATHING APPARATUS 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