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 6320-00-731-6134
NSN 5998-00-429-5437
NSN 5950-00-060-7183
NSN 7035-01-458-3532
NSN 5915-00-599-9162
NSN 5985-00-121-9844
NSN 6110-01-399-6165
NSN 5935-01-211-6986
NSN 6620-01-448-1423
NSN 6130-01-325-9581
NSN 6130-01-487-4049
NSN 4140-00-956-9225