>> Search results for: B1A19 NSN Search Results National Stock Number (NSN) Description 5310-22-254-0371, 5310222540371 NUT,PLAIN,HEX 1290-25-129-0326 , 1290251290326 FIRE DIRECTION SET, 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