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 6130-01-231-2119
NSN 6150-00-816-3467
NSN 6145-01-362-1234
NSN 6220-01-195-0322
NSN 6685-01-527-5561
NSN 6150-00-577-8612
NSN 5945-01-384-3735
NSN 5925-01-442-6487
NSN 5915-01-466-6108
NSN 5999-01-099-3099
NSN 6220-01-410-8592
NSN 4140-01-107-7382