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 5950-01-659-6238
NSN 2925-01-359-4027
NSN 6105-01-251-5174
NSN 6150-01-575-5393
NSN 6130-00-827-1967
NSN 5945-00-134-6533
NSN 4140-01-204-7025
NSN 5999-00-388-0584
NSN 6135-00-973-5632
NSN 5998-00-356-5376
NSN 6105-01-529-8154
NSN 5945-00-481-0999