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 6150-00-594-9051
NSN 5915-00-213-3603
NSN 6135-01-490-0278
NSN 5920-01-523-3231
NSN 6610-00-453-5163
NSN 5930-01-476-3084
NSN 5985-01-528-6741
NSN 5925-00-999-6032
NSN 5975-01-050-5225
NSN 5835-01-632-6627
NSN 6130-01-592-4340
NSN 6685-01-630-5459