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 5930-01-015-1300
NSN 6645-01-413-8003
NSN 5920-00-281-2387
NSN 6110-01-486-4750
NSN 6150-00-175-5390
NSN 5835-00-918-3720
NSN 7035-00-763-6180
NSN 5965-01-051-9250
NSN 6610-01-502-8868
NSN 6320-01-652-3806
NSN 5950-01-604-6071
NSN 6220-01-476-9371