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 5925-00-259-7486
NSN 5999-01-293-0444
NSN 6645-00-991-8704
NSN 6150-01-440-9628
NSN 5945-00-124-4799
NSN 4140-00-684-7314
NSN 5990-01-658-3102
NSN 6105-00-578-3319
NSN 6105-00-153-5319
NSN 5935-01-500-4290
NSN 5985-00-852-6192
NSN 5895-00-851-5798