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 5920-00-007-5165
NSN 6645-01-303-8336
NSN 5920-01-422-0193
NSN 4140-01-293-2112
NSN 5925-01-562-3552
NSN 5930-00-303-2044
NSN 6240-01-067-1494
NSN 5945-01-180-3974
NSN 6220-00-296-4101
NSN 6150-00-787-0369
NSN 6650-01-158-5099
NSN 5855-01-530-1493