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 5835-01-208-1939
NSN 6320-00-845-3261
NSN 5915-01-648-7354
NSN 6645-01-633-1852
NSN 6145-01-340-7589
NSN 5905-01-116-4369
NSN 5960-01-159-9157
NSN 6320-01-631-7828
NSN 6105-01-147-9264
NSN 5905-00-814-1194
NSN 6620-00-068-2503
NSN 5998-01-068-4312