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 5835-01-601-4411
NSN 5975-01-058-6472
NSN 5999-01-201-5260
NSN 5950-00-639-9675
NSN 5985-01-506-1974
NSN 5920-01-010-4855
NSN 6105-00-111-5681
NSN 6620-01-539-2729
NSN 6110-01-226-0394
NSN 5910-00-587-4791
NSN 6110-01-362-1929
NSN 6150-00-884-8530