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 5915-00-250-1142
NSN 5905-00-225-9029
NSN 6110-00-363-3974
NSN 6645-01-127-7879
NSN 6130-01-390-8851
NSN 6685-01-534-7944
NSN 2925-00-432-3410
NSN 4140-01-105-3036
NSN 5910-01-203-8558
NSN 7035-00-349-8571
NSN 5895-00-834-2110
NSN 4140-01-571-7913