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 5915-01-305-7636
NSN 5990-01-649-4647
NSN 5935-00-414-1370
NSN 5895-00-596-8678
NSN 6130-01-211-6790
NSN 6130-00-404-3814
NSN 5975-01-227-2722
NSN 7035-01-576-4099
NSN 5910-00-707-4900
NSN 5960-01-024-7918
NSN 6220-01-569-9106
NSN 6135-00-145-8884