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 5905-00-774-5119
NSN 5920-01-188-2329
NSN 6105-01-242-9592
NSN 5855-00-233-2366
NSN 6110-01-089-8130
NSN 5915-01-426-1338
NSN 6105-00-571-2555
NSN 5905-00-231-5243
NSN 5950-01-359-9531
NSN 5910-00-079-0375
NSN 7035-00-731-8729
NSN 5925-00-991-8722