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 6645-01-632-2272
NSN 4140-00-253-1801
NSN 4140-01-484-1940
NSN 6685-00-234-4283
NSN 5895-01-136-8410
NSN 5985-01-596-6422
NSN 5915-01-379-4784
NSN 5999-01-460-1682
NSN 5975-01-272-3205
NSN 5965-01-345-9480
NSN 6110-00-922-2111
NSN 6150-01-585-5721