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 5905-01-528-7879
NSN 7035-01-129-7834
NSN 5855-00-779-2854
NSN 5895-00-044-2302
NSN 6320-01-050-1290
NSN 6685-01-488-5138
NSN 2925-01-055-7607
NSN 5930-01-523-3450
NSN 6650-01-234-1896
NSN 4140-00-857-3202
NSN 5965-01-386-7134
NSN 5915-01-522-7109