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 5990-01-641-5782
NSN 6320-00-937-5625
NSN 6135-01-508-6083
NSN 4140-01-340-2579
NSN 5998-01-517-4714
NSN 2925-01-076-5219
NSN 5965-00-089-8308
NSN 5910-01-478-2686
NSN 4140-00-811-2297
NSN 6130-00-801-4977
NSN 5925-01-245-7621
NSN 5950-01-487-4948