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 6105-01-212-5095
NSN 6320-00-845-3261
NSN 6150-01-645-5833
NSN 5998-01-513-9582
NSN 7035-01-577-5705
NSN 6620-01-586-3040
NSN 6150-01-495-2348
NSN 5915-01-200-0569
NSN 6240-00-630-8069
NSN 5945-01-497-6979
NSN 5915-00-244-2835
NSN 6685-01-463-3574