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 7035-01-586-0301
NSN 5930-01-134-6222
NSN 5998-01-582-3942
NSN 5835-01-321-7895
NSN 5935-01-208-2139
NSN 5910-01-463-9789
NSN 5945-01-469-5917
NSN 5925-01-378-9118
NSN 5835-00-581-9460
NSN 5920-00-670-4674
NSN 6145-01-253-9094
NSN 2925-00-964-7128