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 6220-01-206-1945
NSN 5920-01-634-0250
NSN 5925-00-960-5214
NSN 5998-01-523-5792
NSN 6320-01-412-2973
NSN 2925-01-106-3552
NSN 5925-01-631-7575
NSN 5905-01-481-3943
NSN 6620-00-296-6762
NSN 5835-00-649-9402
NSN 5905-01-554-6359
NSN 6105-00-007-0424