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 6145-00-107-7913
NSN 6240-01-225-0037
NSN 6650-01-428-9958
NSN 6685-00-334-6583
NSN 5996-00-681-0490
NSN 5985-00-089-8048
NSN 5950-01-281-1579
NSN 5990-01-219-2703
NSN 6685-00-149-1026
NSN 7035-01-335-8872
NSN 5945-01-118-3869
NSN 5950-00-926-8521