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 6320-01-289-0946
NSN 5990-01-503-0194
NSN 6220-00-057-2236
NSN 5895-01-056-2856
NSN 2925-01-493-3245
NSN 5996-01-066-8075
NSN 5996-01-556-1410
NSN 6620-01-377-8178
NSN 5910-01-565-3937
NSN 5930-01-627-9309
NSN 5990-01-156-7004
NSN 5835-00-980-0468