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 6645-00-204-4100
NSN 2925-01-191-9668
NSN 5998-01-660-2032
NSN 6240-01-476-1612
NSN 5855-01-029-8733
NSN 6145-01-450-8419
NSN 5990-00-761-3754
NSN 5996-00-798-4964
NSN 5950-01-296-0133
NSN 5999-01-558-2101
NSN 5965-01-600-0566
NSN 5990-00-647-4008