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 5960-00-615-9972
NSN 5996-00-265-6573
NSN 6645-01-062-6705
NSN 5996-01-101-0298
NSN 5895-01-206-3754
NSN 6240-00-070-6615
NSN 5996-01-419-5756
NSN 5915-00-069-7596
NSN 5905-00-825-0154
NSN 6105-00-629-0967
NSN 7035-00-849-5526
NSN 5950-01-527-9505