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 6645-01-556-5263
NSN 6240-01-441-3606
NSN 6220-01-437-8579
NSN 5990-00-170-9553
NSN 5905-01-010-1806
NSN 6320-01-134-7267
NSN 5920-00-161-4564
NSN 6105-00-217-8990
NSN 5985-00-666-2987
NSN 6145-01-359-2378
NSN 6685-01-340-0784
NSN 5990-00-822-9269