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 6105-01-410-7588
NSN 6620-01-169-2406
NSN 6130-01-385-1009
NSN 5975-01-485-3314
NSN 6105-01-388-6767
NSN 5965-01-649-6410
NSN 6620-01-649-9948
NSN 6685-01-227-3137
NSN 5920-01-420-8580
NSN 5930-01-160-8920
NSN 2925-00-777-2902
NSN 5975-01-648-2592