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 6620-00-273-8735
NSN 6220-00-222-7426
NSN 5998-00-192-2467
NSN 6320-01-544-6447
NSN 5999-01-133-3338
NSN 6105-01-258-4108
NSN 6135-00-231-7257
NSN 5975-01-076-3656
NSN 6240-00-827-0889
NSN 5855-00-995-2098
NSN 5910-01-622-5674
NSN 6620-01-485-0556