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 5895-01-594-4051
NSN 6610-01-342-8710
NSN 6685-01-283-9476
NSN 5996-01-196-4502
NSN 5905-01-442-6616
NSN 5990-01-581-5103
NSN 7035-01-416-5910
NSN 5935-01-232-4903
NSN 5998-01-295-3975
NSN 6620-00-535-1412
NSN 5905-01-047-2258
NSN 5920-00-468-3074