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 5915-01-187-5755
NSN 5965-01-357-7595
NSN 5915-00-470-0586
NSN 5895-00-303-8061
NSN 6110-00-212-6683
NSN 5935-00-124-5263
NSN 5895-01-222-0639
NSN 6240-01-600-2091
NSN 6130-00-541-8468
NSN 5935-00-260-6051
NSN 5990-01-378-7349
NSN 6645-01-633-1852