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 5930-00-617-9720
NSN 6645-01-429-6768
NSN 4140-01-302-6124
NSN 6610-01-578-1976
NSN 5996-00-442-4472
NSN 6135-01-286-9563
NSN 5895-00-363-9370
NSN 6650-00-237-9985
NSN 5855-00-135-9064
NSN 6145-01-503-8534
NSN 5925-01-525-4319
NSN 6145-01-418-7931