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 5835-00-553-3575
NSN 5930-01-584-1859
NSN 5925-00-569-7405
NSN 5895-01-522-7626
NSN 2925-01-642-3255
NSN 5935-01-381-1774
NSN 5910-00-333-2362
NSN 5895-01-142-1785
NSN 5990-01-128-3758
NSN 5950-01-169-7908
NSN 6130-01-437-6050
NSN 6150-01-448-2182