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 5985-01-532-6161
NSN 6650-01-212-3964
NSN 6150-01-017-8603
NSN 5925-01-634-0664
NSN 5985-01-522-9956
NSN 2925-01-533-7904
NSN 5925-01-200-2714
NSN 6240-00-312-0636
NSN 6650-00-671-5106
NSN 4140-01-564-2258
NSN 6610-00-097-5176
NSN 6220-01-646-6342