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 5905-01-157-9794
NSN 5950-01-456-3935
NSN 5985-01-579-5006
NSN 5950-01-444-1174
NSN 5975-01-188-5200
NSN 5965-00-920-0455
NSN 6240-00-287-1988
NSN 6105-01-482-6301
NSN 5855-00-110-9341
NSN 5996-00-483-1893
NSN 5998-01-541-0979
NSN 5895-00-244-6750