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 6645-01-605-8796
NSN 6320-00-513-8376
NSN 6650-01-371-0500
NSN 6610-01-092-9846
NSN 6645-00-315-9254
NSN 5990-01-211-6136
NSN 5950-01-652-7664
NSN 5975-01-080-2679
NSN 6220-01-442-5699
NSN 7035-01-580-3814
NSN 4140-01-263-6435
NSN 6145-01-634-0388