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 6320-01-449-1014
NSN 5975-01-103-8178
NSN 6150-00-055-7601
NSN 6650-01-653-2556
NSN 6220-01-504-4448
NSN 6240-01-391-7773
NSN 5930-01-512-9891
NSN 5975-01-020-7869
NSN 5935-00-473-6059
NSN 5920-01-221-0510
NSN 6320-01-352-5653
NSN 6150-01-020-8983