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 6110-01-579-1949
NSN 5930-01-394-9509
NSN 6135-01-585-8174
NSN 5925-01-657-7860
NSN 5935-01-331-3415
NSN 6650-01-459-8575
NSN 2925-01-430-4206
NSN 5950-01-365-2334
NSN 6135-01-222-0703
NSN 5920-00-722-3365
NSN 6150-00-468-5416
NSN 5895-00-324-9202