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 5950-01-256-0990
NSN 5915-01-657-2950
NSN 5945-01-027-2258
NSN 5930-01-589-3234
NSN 5960-01-449-1310
NSN 6685-01-478-5968
NSN 6145-01-391-5148
NSN 6320-01-246-4390
NSN 6150-01-300-6039
NSN 5975-01-646-3494
NSN 4140-00-399-0972
NSN 6650-01-472-2244