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 6320-00-116-3658
NSN 5998-01-373-5272
NSN 6130-00-104-8196
NSN 2925-00-371-2285
NSN 5905-01-019-1418
NSN 4140-00-689-3473
NSN 5910-00-379-2349
NSN 5950-01-578-6669
NSN 5905-01-389-9290
NSN 6145-01-070-0579
NSN 5910-00-257-4693
NSN 5999-01-320-5515