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 5996-00-680-9932
NSN 5999-00-035-4999
NSN 5975-01-539-9186
NSN 6650-01-325-9824
NSN 5996-01-355-6075
NSN 5950-00-627-4359
NSN 5965-01-023-4965
NSN 6105-00-010-2386
NSN 5985-00-153-8747
NSN 5990-00-800-2521
NSN 5985-00-205-9568
NSN 6320-01-431-4359