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 6240-00-837-7653
NSN 6650-01-519-3665
NSN 5925-01-546-4545
NSN 4140-01-276-2436
NSN 5855-01-088-4699
NSN 6145-01-013-3097
NSN 6150-01-251-9333
NSN 2925-01-244-3016
NSN 6110-01-653-0839
NSN 6130-00-933-9081
NSN 5895-01-412-0950
NSN 6240-00-526-0243