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 5855-01-623-4517
NSN 5895-01-605-0529
NSN 5855-00-160-2286
NSN 5985-01-168-8313
NSN 5925-01-619-2486
NSN 6110-01-422-2619
NSN 5930-00-580-3085
NSN 2925-00-828-5301
NSN 5925-01-517-0090
NSN 5945-01-545-7126
NSN 6685-01-280-3485
NSN 6135-01-110-8022