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 6110-00-101-7955
NSN 6320-01-358-0141
NSN 4140-01-558-8059
NSN 6610-01-594-3936
NSN 6135-01-387-0754
NSN 6150-01-504-8597
NSN 6240-01-474-6914
NSN 5950-00-832-2897
NSN 5920-00-928-2229
NSN 6105-01-484-2167
NSN 7035-01-260-9543
NSN 5999-01-206-7128