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 5915-00-239-0716
NSN 6240-01-337-7174
NSN 5925-01-275-7266
NSN 5905-00-153-0265
NSN 5998-01-327-3867
NSN 5996-01-364-4879
NSN 5855-01-070-4072
NSN 5998-00-161-0099
NSN 6150-00-659-7123
NSN 5990-01-254-3197
NSN 6135-01-068-0119
NSN 5996-01-196-4502