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 5998-01-421-2322
NSN 5910-01-434-7890
NSN 2925-01-194-2484
NSN 5996-01-035-8219
NSN 5935-01-025-0849
NSN 6145-01-432-4965
NSN 6240-00-489-8531
NSN 6645-01-654-5293
NSN 6645-00-780-5260
NSN 5996-01-079-7914
NSN 5905-00-231-5243
NSN 5835-01-026-0670