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 5965-00-954-3011
NSN 5950-00-539-7172
NSN 6135-00-209-6918
NSN 5990-00-003-0569
NSN 5835-01-618-4122
NSN 5950-01-573-6434
NSN 5999-00-012-5542
NSN 2925-01-178-0063
NSN 5975-00-413-4428
NSN 5998-01-154-0570
NSN 5999-01-450-9336
NSN 5925-01-359-4814