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 5990-00-058-4514
NSN 2925-01-360-3575
NSN 6105-01-054-3649
NSN 7035-00-946-2642
NSN 5998-00-265-1001
NSN 5950-01-365-5967
NSN 5915-01-379-6876
NSN 5930-00-623-4731
NSN 6220-00-850-6553
NSN 4140-01-519-9343
NSN 5985-01-534-9915
NSN 5925-01-211-5057