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 6130-00-435-9957
NSN 5905-00-356-5574
NSN 5975-00-514-8614
NSN 5950-01-265-3081
NSN 6320-01-358-0141
NSN 6685-01-037-0605
NSN 5925-01-609-0631
NSN 5999-01-315-6383
NSN 6320-00-925-0558
NSN 6150-01-364-8688
NSN 5945-01-357-6968
NSN 5960-01-273-4201