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 6110-01-455-7526
NSN 5895-01-317-3784
NSN 5930-00-767-1981
NSN 5960-01-491-2993
NSN 5960-01-486-8919
NSN 6105-01-046-4771
NSN 5990-01-485-0260
NSN 5990-01-052-9343
NSN 5965-01-523-1784
NSN 5990-01-239-5878
NSN 5925-00-922-6008
NSN 5965-01-415-0872