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 6130-01-521-5755
NSN 6130-01-127-7304
NSN 5930-00-104-6148
NSN 6110-00-494-3056
NSN 5998-00-731-9971
NSN 5895-01-444-6439
NSN 6220-01-278-5803
NSN 5996-01-423-9423
NSN 5975-01-376-4966
NSN 5905-00-152-8849
NSN 5975-01-280-9726
NSN 5910-01-121-7603