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 5945-01-171-9065
NSN 6650-01-653-5576
NSN 5835-01-208-1939
NSN 6145-01-181-6198
NSN 5999-01-116-4092
NSN 5998-01-554-9591
NSN 5930-00-686-5849
NSN 6610-01-461-8180
NSN 5935-01-152-2677
NSN 5915-01-531-0250
NSN 6620-01-025-1443
NSN 5855-00-904-9572