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 6610-00-617-6056
NSN 6145-01-180-6512
NSN 6220-01-351-3835
NSN 5930-01-284-9199
NSN 6320-01-607-1491
NSN 7035-01-026-1171
NSN 2925-01-261-0701
NSN 6240-00-016-7794
NSN 5920-01-334-8726
NSN 6145-01-554-5701
NSN 5920-01-065-1824
NSN 5935-01-590-9470