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 6240-01-658-9355
NSN 5895-01-254-2749
NSN 5999-01-145-5084
NSN 6145-01-269-7397
NSN 6145-01-412-7517
NSN 6145-01-553-4422
NSN 5990-00-258-0228
NSN 6105-00-931-8036
NSN 5975-00-488-5502
NSN 5985-00-269-5388
NSN 5905-00-977-2679
NSN 5935-01-446-9510