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 6645-01-418-8304
NSN 5999-01-310-8495
NSN 5920-01-420-8580
NSN 5930-01-148-2404
NSN 5998-00-594-5824
NSN 5835-01-584-8538
NSN 5996-00-480-9238
NSN 5915-01-353-2859
NSN 5855-01-035-2866
NSN 6320-01-512-2031
NSN 5996-01-443-4713
NSN 6150-01-058-3570