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 6240-01-413-6468
NSN 5996-01-355-8420
NSN 4140-01-659-1846
NSN 6135-00-938-1351
NSN 6150-01-229-9556
NSN 6685-01-233-9122
NSN 6130-01-442-3356
NSN 4140-01-077-7555
NSN 5835-01-632-6627
NSN 5999-01-364-4747
NSN 6105-00-212-4793
NSN 6220-01-459-8017