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 6220-01-123-9290
NSN 6105-01-255-2858
NSN 6130-01-605-1266
NSN 5915-01-097-7436
NSN 5935-00-964-7209
NSN 6220-01-503-6634
NSN 6620-01-333-7014
NSN 5990-01-500-5412
NSN 5935-01-324-5296
NSN 5950-01-076-4701
NSN 5999-00-419-0244
NSN 6150-01-259-3318