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
NSN 5905-00-349-9908
NSN 6650-01-407-4653
NSN 5999-01-478-1213
NSN 5950-01-285-7226
NSN 6130-01-352-2961
NSN 6150-00-908-7407
NSN 4140-01-533-3791
NSN 5985-01-532-2490
NSN 5985-01-155-6984
NSN 5975-01-655-0276
NSN 5915-01-264-0101