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 6320-00-225-7013
NSN 2925-01-364-7926
NSN 5905-01-275-1014
NSN 5915-00-904-9157
NSN 5996-01-235-1643
NSN 5990-01-432-4984
NSN 5965-01-234-6844
NSN 5925-01-184-6485
NSN 6105-01-595-6209
NSN 6645-01-237-2568
NSN 5960-00-297-7099
NSN 5895-00-335-1326