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 5965-01-455-3738
NSN 6240-01-082-1408
NSN 5950-00-081-0461
NSN 5915-00-847-7890
NSN 4140-01-515-8128
NSN 6110-01-516-5931
NSN 6650-01-127-9518
NSN 5998-01-141-6331
NSN 5855-00-782-7714
NSN 5990-01-341-5735
NSN 5990-00-152-3929
NSN 6320-01-384-7079