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 7035-01-023-1008
NSN 6320-01-304-3639
NSN 6610-01-473-0521
NSN 6320-01-558-2141
NSN 6130-01-477-5571
NSN 5985-00-403-1985
NSN 6130-01-508-9608
NSN 6145-00-130-3558
NSN 5985-00-394-5888
NSN 6650-01-334-5789
NSN 5945-01-050-0970
NSN 6650-00-170-5095