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 5915-01-040-1781
NSN 6130-00-170-4844
NSN 6220-00-754-3452
NSN 6130-00-281-5978
NSN 5999-00-346-8787
NSN 5950-00-958-5869
NSN 5920-00-382-8849
NSN 6610-01-600-5111
NSN 6620-01-145-7762
NSN 6220-01-600-6789
NSN 5935-01-370-2349
NSN 6645-01-409-1529