Six holes around top of flange
A tubular metal item designed primarily as a replaceable wear surface within the cylinder bore of a piston type internal combustion engine, compressor, or reciprocating pump.
NSN 5930-00-144-1877
NSN 6320-01-592-6248
NSN 5998-01-446-4579
NSN 5855-01-634-0259
NSN 2925-01-562-1663
NSN 5895-00-269-3848
NSN 7035-00-497-8784
NSN 5930-00-714-3942
NSN 5965-01-412-5946
NSN 5905-01-109-0411
NSN 5855-00-198-3197
NSN 6130-00-756-2949