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 5920-00-820-2706
NSN 5905-01-347-5805
NSN 5998-00-133-5874
NSN 5990-01-314-8591
NSN 5996-01-326-6313
NSN 5905-00-309-2408
NSN 5996-01-633-7979
NSN 6145-01-006-2845
NSN 6610-01-463-8866
NSN 6685-01-656-0073
NSN 7035-01-149-7502
NSN 6150-00-644-8745