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 5975-01-607-4154
NSN 6320-01-624-0193
NSN 6150-01-013-0542
NSN 5930-00-925-1891
NSN 6685-00-410-0603
NSN 6620-00-803-2423
NSN 6220-00-222-4399
NSN 5855-01-020-3777
NSN 6240-00-505-6099
NSN 5975-01-322-8183
NSN 5925-01-170-4150
NSN 7035-00-232-4043