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 5925-00-694-9607
NSN 5990-00-730-4366
NSN 5835-01-017-0958
NSN 6240-00-660-8849
NSN 6220-00-280-2880
NSN 2925-01-607-4340
NSN 6610-00-127-4118
NSN 6130-01-394-9980
NSN 5895-01-569-0432
NSN 6135-01-309-8414
NSN 6320-00-174-1362
NSN 6240-01-531-8616