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 5950-01-604-8158
NSN 6240-01-193-1470
NSN 7035-01-224-5165
NSN 2925-00-005-1618
NSN 5990-01-414-7618
NSN 5930-00-163-6993
NSN 5996-01-191-8758
NSN 5855-00-135-9064
NSN 5835-01-227-2318
NSN 6130-01-023-4720
NSN 5855-01-650-3762
NSN 6105-01-591-0319