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 5985-01-463-7921
NSN 5998-00-517-9170
NSN 5895-01-061-9290
NSN 6130-00-962-3696
NSN 5935-01-205-7371
NSN 5835-01-085-9591
NSN 6610-01-225-4997
NSN 5999-00-780-6101
NSN 7035-01-023-7859
NSN 4140-00-916-2771
NSN 6130-00-039-8534
NSN 5935-00-655-4427