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 5996-00-221-7663
NSN 5996-00-456-8705
NSN 5895-01-327-9653
NSN 6135-00-823-3034
NSN 6620-01-440-5585
NSN 5990-01-154-7296
NSN 5998-00-506-4022
NSN 5999-01-416-0617
NSN 5960-01-337-5339
NSN 7035-01-621-0097
NSN 5960-01-641-5493
NSN 5835-01-642-4705