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 5930-01-657-6423
NSN 6320-01-232-4664
NSN 5905-00-922-4892
NSN 6645-01-633-1852
NSN 5910-00-111-2065
NSN 6130-00-446-6922
NSN 6130-01-127-4126
NSN 5999-01-291-0835
NSN 6105-01-134-5499
NSN 6135-01-200-5144
NSN 5935-00-149-0735
NSN 6130-01-399-0126