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 6110-01-391-8871
NSN 6220-01-317-3283
NSN 2925-01-129-1261
NSN 6220-01-232-7020
NSN 6320-00-513-8376
NSN 6620-01-210-5583
NSN 6130-01-596-5774
NSN 6110-01-161-5929
NSN 5950-01-062-0643
NSN 5996-01-483-1858
NSN 4140-00-299-6328
NSN 6645-01-270-6806