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 6110-01-197-7674
NSN 5985-01-423-2697
NSN 7035-01-413-6697
NSN 6220-00-633-8153
NSN 5925-00-572-5663
NSN 5999-01-038-1236
NSN 6105-00-260-6700
NSN 6150-01-228-3800
NSN 4140-00-189-0235
NSN 5895-01-628-2081
NSN 5945-01-166-2859
NSN 5945-01-047-9194