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 5950-01-553-0384
NSN 2925-01-458-5808
NSN 6685-00-213-8451
NSN 6320-01-162-5977
NSN 6610-01-141-7014
NSN 6110-00-483-7067
NSN 5855-00-479-9819
NSN 6220-01-020-2550
NSN 4140-00-339-1514
NSN 6150-01-436-3634
NSN 5985-00-981-0213
NSN 5835-00-280-8494