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 4140-00-862-5644
NSN 2925-00-891-9289
NSN 6220-01-259-9017
NSN 5945-01-444-4293
NSN 5996-01-537-5765
NSN 5999-01-459-2413
NSN 6130-00-320-3363
NSN 5998-01-423-1555
NSN 6130-01-594-2902
NSN 6130-01-624-1085
NSN 6220-01-045-3069
NSN 5999-01-629-7054