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 5990-01-470-2565
NSN 6135-01-400-2947
NSN 6145-00-137-8228
NSN 6645-01-143-0137
NSN 5950-01-383-6786
NSN 5998-00-883-7033
NSN 6135-01-475-2428
NSN 5975-01-276-0606
NSN 6685-01-316-8546
NSN 5915-00-470-8882
NSN 6105-00-580-1435
NSN 6685-01-247-2447