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 5996-01-063-4290
NSN 6135-00-134-1337
NSN 4140-00-483-1932
NSN 6150-01-510-7302
NSN 5945-01-611-3267
NSN 5945-01-607-0482
NSN 6320-01-622-5493
NSN 6240-00-988-3839
NSN 5930-01-464-4233
NSN 2925-01-327-3069
NSN 6145-01-258-4738
NSN 6150-01-351-9930