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 5905-01-202-8489
NSN 5905-01-535-2031
NSN 5945-00-194-3949
NSN 4140-00-635-9195
NSN 6105-01-167-8921
NSN 6145-01-296-5580
NSN 5996-00-337-5158
NSN 5960-00-100-6045
NSN 5920-00-858-1118
NSN 6220-01-359-4857
NSN 5930-00-238-4871
NSN 4140-01-567-5044