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 6610-00-034-3709
NSN 5905-01-352-3148
NSN 5915-01-440-9856
NSN 5925-00-728-5217
NSN 6220-00-067-7645
NSN 5990-00-814-4066
NSN 6320-01-227-2648
NSN 5895-01-527-4075
NSN 6320-01-443-3826
NSN 5998-00-422-2545
NSN 6220-00-491-0520
NSN 5975-01-133-3440