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 6685-01-521-5515
NSN 5935-01-197-7795
NSN 5999-00-136-3368
NSN 6130-01-560-1997
NSN 6135-01-302-4773
NSN 7035-01-176-4857
NSN 5905-01-369-8883
NSN 5999-01-394-7173
NSN 6150-00-823-2588
NSN 5975-01-232-4231
NSN 5905-01-403-2806
NSN 6150-01-400-4211