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 5835-01-412-6901
NSN 5910-01-044-5886
NSN 5895-01-444-5142
NSN 2925-00-799-5989
NSN 5999-01-486-6140
NSN 6105-01-433-6606
NSN 5999-00-362-0865
NSN 7035-01-571-4045
NSN 5985-01-021-3592
NSN 6110-01-124-6864
NSN 5998-01-464-4273
NSN 6145-00-753-2264