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 6685-01-064-6518
NSN 5950-01-628-9682
NSN 6110-01-364-0966
NSN 5895-00-249-1079
NSN 5975-01-553-1848
NSN 6645-01-082-4866
NSN 4140-01-441-5542
NSN 5945-00-254-8281
NSN 2925-01-332-7178
NSN 5990-01-223-9414
NSN 6145-01-504-4252
NSN 5950-00-116-7708