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 5905-01-552-5038
NSN 4140-01-365-3390
NSN 6320-01-511-1526
NSN 6650-01-576-6512
NSN 6220-01-445-5104
NSN 6610-01-371-3006
NSN 5999-01-435-4607
NSN 6685-01-434-8906
NSN 6685-01-185-3968
NSN 6320-00-937-5625
NSN 6685-00-481-9852
NSN 6130-01-634-0603