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 6620-00-980-6258
NSN 7035-01-406-6510
NSN 6105-00-318-5819
NSN 2925-01-588-3507
NSN 4140-01-161-8075
NSN 5855-01-364-8193
NSN 6685-01-647-3119
NSN 6620-00-567-6006
NSN 5960-00-344-9588
NSN 5835-00-113-6090
NSN 6320-00-456-2092
NSN 6685-01-461-3223