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 5998-01-124-0431
NSN 5895-01-074-7902
NSN 6685-01-091-6254
NSN 5915-01-617-0630
NSN 5935-01-589-2854
NSN 6610-01-197-9639
NSN 2925-01-327-3069
NSN 5950-01-331-7010
NSN 6620-00-992-5876
NSN 6130-01-081-6437
NSN 5935-01-147-2359
NSN 6145-00-170-5274