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 5998-01-657-5922
NSN 6240-01-364-8696
NSN 6620-01-022-4104
NSN 5935-00-262-5737
NSN 5996-01-270-2196
NSN 5975-00-715-1563
NSN 6650-01-416-6272
NSN 5965-01-136-3180
NSN 5999-00-478-3362
NSN 4140-01-409-1764
NSN 6105-01-339-3564
NSN 6685-01-647-4838