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 6320-01-484-7734
NSN 5930-01-168-8069
NSN 6320-00-284-1524
NSN 5935-00-830-5769
NSN 5990-01-650-9034
NSN 5999-00-099-0025
NSN 5905-00-873-3322
NSN 6145-00-830-8210
NSN 5990-01-232-2625
NSN 6645-01-392-2022
NSN 5915-01-347-0104
NSN 6220-00-030-2448