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 5895-01-325-8606
NSN 5930-01-318-1553
NSN 6320-00-500-4172
NSN 5920-00-794-4415
NSN 5930-01-533-0885
NSN 5960-00-269-4762
NSN 6240-01-650-5348
NSN 6150-00-917-5625
NSN 6610-01-373-5949
NSN 6320-00-149-7570
NSN 7035-01-301-3263
NSN 6645-01-214-0334