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 6320-01-154-1099
NSN 5996-01-494-2942
NSN 4140-00-442-3490
NSN 6685-01-538-4813
NSN 6105-00-339-8366
NSN 6135-01-205-5965
NSN 6610-01-623-3700
NSN 5925-00-764-4686
NSN 5975-01-162-2585
NSN 5945-01-120-2197
NSN 5910-01-501-8752
NSN 5950-00-840-7880