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 5925-01-411-6028
NSN 6105-01-499-1264
NSN 5975-00-234-7516
NSN 5945-01-090-4120
NSN 5855-01-386-7323
NSN 4140-01-436-6811
NSN 5996-01-237-9115
NSN 5996-01-254-3892
NSN 5975-01-569-1604
NSN 6650-00-566-7953
NSN 6685-01-560-9164
NSN 6685-00-253-9997