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 6130-01-157-9307
NSN 6320-01-538-0775
NSN 5990-01-463-2279
NSN 7035-01-140-5942
NSN 5998-00-939-8921
NSN 7035-00-803-3056
NSN 2925-01-098-9549
NSN 5895-00-340-9619
NSN 5915-01-235-6318
NSN 6620-00-057-2764
NSN 5930-01-467-6321
NSN 5915-00-774-8418