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 2925-01-324-6423
NSN 2925-01-368-5773
NSN 6240-00-865-7447
NSN 5905-01-394-1871
NSN 5945-00-553-5831
NSN 6150-00-394-4934
NSN 5945-00-334-8980
NSN 6130-00-551-3191
NSN 4140-01-357-9626
NSN 6645-00-928-2865
NSN 6610-01-564-3040
NSN 5925-01-158-0762