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 5835-01-062-4213
NSN 5965-01-335-6630
NSN 5975-01-525-3231
NSN 5998-01-577-3321
NSN 5835-00-683-4612
NSN 5965-01-256-9460
NSN 6645-01-025-1002
NSN 6135-01-315-7888
NSN 7035-00-870-0290
NSN 6145-01-572-9428
NSN 5935-01-381-0132
NSN 7035-00-849-5526