>> Search results for: 503S18 NSN Search Results National Stock Number (NSN) Description 5133-00-189-9263, 5133001899263 DRILL,TWIST 5133-00-227-9650 , 5133002279650 Cancelled -> Replaced by 5133006840626 5133-01-101-9782, 5133011019782 DRILL,TWIST 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