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 5975-01-317-2425
NSN 5996-01-227-2555
NSN 6145-00-610-6990
NSN 5925-00-204-7494
NSN 5990-01-599-7106
NSN 5930-01-379-2668
NSN 5975-01-450-6134
NSN 5975-01-218-8584
NSN 6240-01-111-8291
NSN 5945-01-307-2493
NSN 6130-01-256-9390
NSN 5895-01-605-4620