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 5835-01-350-0566
NSN 6685-01-023-2119
NSN 5835-01-632-6627
NSN 6320-01-496-4605
NSN 6105-01-416-6196
NSN 5915-00-091-5242
NSN 2925-00-951-0150
NSN 6135-01-134-7222
NSN 6150-00-307-9649
NSN 6110-01-070-9602
NSN 5935-01-192-2111
NSN 5895-00-431-5687