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 6685-01-411-9188
NSN 5915-01-302-6916
NSN 5895-01-063-2765
NSN 5855-00-782-7714
NSN 4140-00-488-5540
NSN 6685-00-275-4401
NSN 5910-01-501-6192
NSN 5930-01-499-0013
NSN 5945-01-169-7569
NSN 5996-00-226-5364
NSN 5935-00-341-6461
NSN 7035-01-079-1514