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 6135-01-226-4071
NSN 6320-00-139-1090
NSN 6150-01-384-3660
NSN 4140-00-177-8858
NSN 7035-01-406-4146
NSN 6620-01-555-1453
NSN 5925-00-932-3027
NSN 6685-00-860-8459
NSN 5915-01-210-4274
NSN 5996-01-251-9518
NSN 6145-00-186-2480
NSN 5960-01-543-0235