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 6650-00-389-4111
NSN 5935-01-359-6342
NSN 6610-00-753-2281
NSN 5985-01-219-8016
NSN 5999-01-633-1629
NSN 6145-00-819-0062
NSN 5915-01-232-7348
NSN 6105-01-412-0811
NSN 5905-01-433-9304
NSN 5998-01-013-2763
NSN 6650-01-520-3494
NSN 6620-01-329-7510