>> Search results for: UBS21E12 NSN Search Results National Stock Number (NSN) Description 5307-01-164-4003, 5307011644003 STUD,RECESSED AND STEPPED 5307-99-528-3513 , 5307995283513 STUD,RECESSED AND S 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