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 6105-01-474-8797
NSN 6145-01-435-6452
NSN 5925-00-481-5571
NSN 6685-01-627-5126
NSN 5930-00-376-9991
NSN 5965-00-840-3791
NSN 6130-01-542-9026
NSN 6645-01-063-8243
NSN 6645-01-603-9331
NSN 5930-01-609-8677
NSN 5920-01-327-9549
NSN 6685-01-159-1254