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 5975-01-051-7434
NSN 6145-01-452-9551
NSN 7035-00-585-2113
NSN 6150-00-188-8337
NSN 5835-01-555-8963
NSN 6650-01-194-6997
NSN 5925-00-115-8114
NSN 2925-01-443-4216
NSN 6130-00-428-3787
NSN 6130-00-522-6409
NSN 5996-01-191-8758
NSN 6220-01-499-5842