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 5945-01-389-8101
NSN 5905-01-350-4304
NSN 6130-01-514-2726
NSN 5985-00-205-2922
NSN 5835-01-535-0948
NSN 5930-01-652-0175
NSN 6320-00-405-2348
NSN 5950-00-170-6790
NSN 4140-01-634-0330
NSN 4140-00-113-5991
NSN 6320-01-119-3935
NSN 6610-01-381-3181