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 5975-01-390-0401
NSN 5910-01-605-7651
NSN 5835-00-130-6404
NSN 6130-01-592-2478
NSN 5960-01-212-4227
NSN 5945-01-324-4212
NSN 5960-01-033-4207
NSN 5996-00-091-0254
NSN 6130-00-435-6995
NSN 5905-01-468-6838
NSN 5996-01-424-3341
NSN 6320-00-853-1920