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 6110-00-922-5311
NSN 6105-00-268-2878
NSN 6145-01-427-3520
NSN 5925-01-224-7031
NSN 5996-00-923-1290
NSN 5915-01-633-9845
NSN 5999-00-079-1911
NSN 6320-00-809-5744
NSN 6620-00-959-6614
NSN 2925-01-062-2660
NSN 5996-00-929-2216
NSN 5905-01-123-9715