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 5915-01-011-1190
NSN 5965-01-298-6313
NSN 5945-01-472-2941
NSN 6220-01-573-4361
NSN 6145-01-547-6651
NSN 6150-01-114-0399
NSN 5895-01-597-3129
NSN 5915-01-443-3881
NSN 6685-01-502-5930
NSN 5835-01-454-5267
NSN 5935-01-270-9629
NSN 6130-01-355-0730