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 5950-01-334-7450
NSN 5996-01-232-0067
NSN 4140-01-286-8852
NSN 6135-00-196-5267
NSN 4140-00-111-3247
NSN 6650-01-406-3086
NSN 6645-00-171-9639
NSN 5925-01-150-3513
NSN 5960-01-507-9112
NSN 6130-00-690-2273
NSN 5915-00-075-1086
NSN 6685-01-211-5278