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 5975-00-952-1791
NSN 6240-00-914-5609
NSN 5990-01-345-1468
NSN 6645-01-648-4439
NSN 5905-00-137-9960
NSN 6150-01-122-3647
NSN 5998-00-925-2567
NSN 6685-01-624-2967
NSN 6610-00-448-1264
NSN 6220-01-467-2268
NSN 5950-01-293-1090
NSN 5990-01-400-3299