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 6320-01-021-6633
NSN 6320-01-100-7554
NSN 7035-01-364-0286
NSN 5835-01-074-1161
NSN 5925-00-274-3195
NSN 5920-01-158-4517
NSN 6620-00-269-8950
NSN 5925-01-527-1119
NSN 6130-00-443-8295
NSN 5935-01-442-9306
NSN 4140-01-563-5618
NSN 6110-01-596-8109