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 5985-01-115-9796
NSN 5965-00-716-7078
NSN 7035-01-658-1623
NSN 5835-00-494-8419
NSN 6240-01-633-9357
NSN 6150-00-502-2692
NSN 5975-00-144-3195
NSN 5855-01-551-7923
NSN 5965-01-247-5696
NSN 6645-00-789-0800
NSN 5930-01-606-3698
NSN 4140-00-260-9521