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 5975-01-476-7332
NSN 6105-01-591-3044
NSN 6240-00-079-1759
NSN 6685-00-248-3103
NSN 5925-01-237-2501
NSN 4140-01-359-7829
NSN 5998-01-500-1576
NSN 5835-00-689-0278
NSN 6320-00-445-1187
NSN 6320-00-270-8222
NSN 2925-00-105-3907
NSN 2925-00-833-9466