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 5935-01-369-3895
NSN 5985-01-431-8882
NSN 5999-00-192-4631
NSN 5855-00-688-9954
NSN 7035-00-541-8516
NSN 6145-00-902-1410
NSN 5925-00-007-2171
NSN 5905-00-541-1471
NSN 5935-01-388-3242
NSN 6610-00-186-9180
NSN 5999-00-156-4424
NSN 5950-01-158-9101