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 5990-01-024-9659
NSN 5960-01-020-6316
NSN 5835-01-440-5391
NSN 5855-00-631-4565
NSN 5990-00-483-0486
NSN 5999-00-525-4320
NSN 5930-01-125-3473
NSN 5930-01-178-7705
NSN 5975-01-608-3913
NSN 6110-01-420-0808
NSN 2925-00-403-5036
NSN 5915-01-349-8964