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 5930-01-520-6418
NSN 5910-01-571-7621
NSN 5935-01-243-8248
NSN 5935-01-466-0956
NSN 6620-01-364-0195
NSN 6610-00-732-2488
NSN 5855-01-426-5589
NSN 5920-01-185-2222
NSN 6685-01-004-3614
NSN 6110-00-813-2328
NSN 5950-00-999-9336
NSN 6110-01-160-9142