A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5975-01-235-4598
NSN 6240-00-963-5964
NSN 4140-00-225-7060
NSN 6130-01-258-7694
NSN 5935-00-711-0715
NSN 5985-01-445-4736
NSN 5996-01-305-1728
NSN 5925-01-540-8556
NSN 5996-01-659-0882
NSN 7035-01-412-8322
NSN 6610-00-756-7906
NSN 6130-01-434-8332