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 5945-01-280-5477
NSN 5935-01-053-5126
NSN 2925-00-574-8796
NSN 6130-01-631-1586
NSN 5996-00-169-9323
NSN 5855-01-287-6391
NSN 4140-01-127-0032
NSN 5855-01-172-4568
NSN 6135-01-386-5709
NSN 5910-01-261-5321
NSN 6240-01-401-5340
NSN 6240-01-324-5222