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 6240-01-184-2060
NSN 6110-00-269-2696
NSN 6620-01-603-0852
NSN 6145-01-092-5604
NSN 6150-01-348-8225
NSN 5945-01-512-9376
NSN 5895-00-079-1314
NSN 5998-01-455-0792
NSN 6150-01-425-2807
NSN 6320-01-512-2031
NSN 6110-00-234-9377
NSN 6650-01-322-6431