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 6645-01-633-1852
NSN 4140-01-526-4090
NSN 5905-01-554-7351
NSN 5925-01-299-1373
NSN 5960-01-174-6975
NSN 6105-01-373-9298
NSN 6645-01-418-8304
NSN 6150-01-046-0247
NSN 7035-01-391-7470
NSN 5999-00-617-8404
NSN 5950-01-241-9890
NSN 6130-00-316-5509