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 6240-01-280-5347
NSN 6320-01-215-2284
NSN 2925-01-433-8915
NSN 6645-01-461-4688
NSN 5915-01-101-2642
NSN 7035-01-623-3509
NSN 5935-01-237-4025
NSN 6645-01-421-6909
NSN 5835-01-475-5714
NSN 6220-01-229-3722
NSN 6620-01-070-9042
NSN 6650-01-087-0862