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 6135-01-362-4256
NSN 5975-00-581-7129
NSN 6320-00-790-4844
NSN 5905-01-470-1841
NSN 6320-01-341-9126
NSN 5975-01-011-7239
NSN 6130-01-036-0476
NSN 5965-00-839-0302
NSN 5990-00-951-8367
NSN 5925-01-532-6972
NSN 6130-01-465-1969
NSN 6620-00-444-6972