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 6240-01-656-0012
NSN 6620-01-508-1996
NSN 5915-01-197-6218
NSN 5925-01-466-5675
NSN 5998-01-649-8230
NSN 6240-01-585-7753
NSN 5895-01-621-9646
NSN 4140-01-058-5123
NSN 5930-01-231-9496
NSN 6110-01-360-5661
NSN 5935-00-871-6457
NSN 5895-01-037-2004