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 5835-01-116-2369
NSN 7035-01-647-7885
NSN 5998-01-577-6546
NSN 5996-01-352-4904
NSN 6685-00-783-9922
NSN 5930-01-301-3563
NSN 5910-01-310-7585
NSN 5835-01-328-6626
NSN 4140-00-905-6039
NSN 5985-00-970-9100
NSN 5835-00-337-7801
NSN 6150-01-504-4734