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 6320-00-036-3688
NSN 6320-01-355-2929
NSN 5998-01-617-5814
NSN 5999-00-479-9568
NSN 6110-01-264-2692
NSN 5935-01-461-3099
NSN 6610-01-244-7192
NSN 5905-01-171-5668
NSN 5996-01-505-0101
NSN 5835-00-468-3367
NSN 5835-01-558-9444
NSN 6610-00-527-8892