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 6240-01-579-3758
NSN 6105-01-631-7028
NSN 5920-01-112-0730
NSN 6150-01-450-0587
NSN 6145-01-348-7234
NSN 5910-00-269-4755
NSN 5910-01-501-9988
NSN 5945-01-116-3606
NSN 4140-01-123-9149
NSN 6620-01-209-1472
NSN 5998-01-068-4449
NSN 5910-01-135-6555