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 5998-01-521-3782
NSN 6650-00-563-3880
NSN 5960-00-197-6282
NSN 5998-01-406-4454
NSN 6620-01-526-1478
NSN 5895-00-509-2449
NSN 6110-01-586-0921
NSN 5985-00-758-6801
NSN 5915-01-622-3011
NSN 5925-01-377-5890
NSN 6685-01-553-4325
NSN 6685-01-643-6351