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 6110-01-273-6506
NSN 6320-00-731-6134
NSN 6645-01-438-6986
NSN 5920-01-244-4239
NSN 7035-01-276-0355
NSN 5935-00-239-4976
NSN 5915-01-449-2276
NSN 5999-00-914-7633
NSN 5905-01-506-8811
NSN 5930-01-397-4726
NSN 5855-01-633-4848
NSN 6610-01-406-6696