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 6130-00-270-8063
NSN 5835-01-537-1228
NSN 5950-00-088-9976
NSN 6645-01-329-3890
NSN 6610-01-450-5688
NSN 6220-01-375-7521
NSN 5990-01-507-1479
NSN 5930-00-472-1686
NSN 5935-01-484-8724
NSN 2925-01-032-3814
NSN 5996-01-190-9982
NSN 5935-01-063-7125