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 5915-01-563-3352
NSN 6150-01-550-0171
NSN 6145-01-157-3488
NSN 5975-01-485-3860
NSN 4140-00-982-9643
NSN 6650-00-597-7313
NSN 5945-00-182-2869
NSN 5950-01-632-0739
NSN 5985-01-198-6313
NSN 5935-01-208-8070
NSN 6610-01-633-8931
NSN 6105-00-967-4789