Two or more complete ring, piston grouped for a single piston or for all pistons of an internal combustion engine, air compressor, or the like.
NSN 5990-00-067-6791
NSN 2925-01-175-1217
NSN 5975-00-779-3319
NSN 5930-01-467-2957
NSN 6685-01-100-3012
NSN 5975-01-132-3603
NSN 5855-01-289-0070
NSN 5855-01-108-9106
NSN 5965-01-078-6776
NSN 5985-01-469-6320
NSN 5985-00-677-1532
NSN 6240-00-270-4698