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 6610-00-185-9434
NSN 6150-00-399-1431
NSN 6240-01-250-3574
NSN 6135-00-073-8939
NSN 5935-01-466-2418
NSN 6610-00-670-2396
NSN 6145-00-275-4046
NSN 4140-01-449-5965
NSN 5985-01-451-4309
NSN 6145-00-891-6779
NSN 5915-01-230-7591
NSN 7035-01-314-7559