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 6320-01-426-1324
NSN 5945-00-722-5578
NSN 5905-00-837-5544
NSN 5905-01-414-8606
NSN 6130-00-928-4503
NSN 6320-01-399-6177
NSN 6240-00-428-4027
NSN 6610-01-630-3429
NSN 5999-00-577-2943
NSN 5915-00-528-9286
NSN 5920-01-012-3805
NSN 5990-00-147-3144