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 6220-01-563-6986
NSN 5945-00-931-0439
NSN 5835-00-787-5980
NSN 5999-01-058-9171
NSN 6685-00-023-8597
NSN 6685-00-001-4183
NSN 5990-01-199-2846
NSN 5930-01-012-4360
NSN 6645-01-227-2036
NSN 2925-01-528-7333
NSN 5996-00-358-6257
NSN 6320-01-271-0247