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 5905-00-807-1021
NSN 5996-01-383-7018
NSN 5915-00-104-1403
NSN 5999-00-947-3468
NSN 6320-01-103-6218
NSN 6135-00-027-3914
NSN 5975-01-623-5410
NSN 5975-01-358-8956
NSN 6220-00-230-4705
NSN 6145-01-520-4807
NSN 6650-00-826-7396
NSN 2925-00-511-0325