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 6145-01-453-4480
NSN 5960-00-860-7709
NSN 6150-00-153-7296
NSN 5855-01-575-3154
NSN 5950-00-504-0535
NSN 6150-00-843-5905
NSN 6130-01-481-3599
NSN 6105-00-424-6283
NSN 6220-01-095-6525
NSN 5935-01-166-2949
NSN 6145-01-658-6995
NSN 5990-01-548-5979