A metallic item, cylindrical, with or without a flange at one end. It is designed to be inserted into a hole to reduce friction and/or the inside diameter of the hole, and protect the surrounding body structure from damage resulting from stress, strain and/or vibration. It must have a through hole parallel to its axis. It is designed for subsequent drilling operation. For items that are tapered see bushing (1), tapered. Excludes bushing, sleeve.
Classification: Drilling, threading or tapping tools and parts thereof, base metal
NSN 5835-01-008-4871
NSN 6620-01-157-9267
NSN 7035-01-633-9537
NSN 5945-01-028-9772
NSN 5920-01-398-0580
NSN 6105-00-772-7992
NSN 5945-01-471-4254
NSN 6610-01-383-7419
NSN 6685-01-657-6351
NSN 4140-00-101-7903
NSN 5985-00-904-0227
NSN 6145-00-955-1993