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 5950-01-392-0524
NSN 5855-00-869-3635
NSN 5965-01-518-4490
NSN 6150-00-515-0764
NSN 5960-01-032-4229
NSN 5950-01-196-5178
NSN 6110-00-518-2998
NSN 6145-00-982-2812
NSN 6220-00-426-6340
NSN 5945-00-204-9949
NSN 6240-01-426-5581
NSN 5975-01-498-8900