A tublular-shaped item designed to be bolted to an engine block or the like. it may include external cooling fins. see also cylinder sleeve.
NSN 4140-00-289-5961
NSN 5985-01-165-4222
NSN 6650-00-466-1697
NSN 6150-01-522-2062
NSN 5975-00-359-6030
NSN 5999-01-297-1892
NSN 5855-00-688-9954
NSN 5990-01-380-0650
NSN 6145-00-775-0256
NSN 6610-01-187-1748
NSN 6685-01-238-0273
NSN 5945-00-191-5754