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 6610-01-601-7648
NSN 5945-01-108-1490
NSN 6320-01-575-6342
NSN 2925-00-964-7128
NSN 5999-00-897-9482
NSN 5910-01-236-3101
NSN 5930-01-335-0379
NSN 6130-01-020-0157
NSN 5930-01-592-3188
NSN 5930-01-153-2667
NSN 2925-00-845-1480
NSN 5975-01-088-7470