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 6645-00-429-0172
NSN 5945-01-142-7784
NSN 5990-01-382-5364
NSN 6150-01-546-9242
NSN 5905-01-381-1425
NSN 5930-00-138-7189
NSN 6240-01-519-2935
NSN 5985-01-080-5532
NSN 6110-01-533-3862
NSN 5985-01-222-1690
NSN 5965-00-589-1228
NSN 5990-01-373-9992