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 5935-01-383-0082
NSN 6220-01-012-2191
NSN 5905-01-167-0807
NSN 5985-01-239-5983
NSN 5910-00-339-2198
NSN 6645-00-476-7176
NSN 5998-01-205-0979
NSN 6610-01-421-4396
NSN 5935-01-303-8364
NSN 6130-00-955-1743
NSN 6320-01-495-0512
NSN 6145-01-480-7084