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 5998-01-170-5834
NSN 5950-01-331-2840
NSN 6610-01-206-2419
NSN 6650-01-432-5461
NSN 6150-01-108-8985
NSN 5965-00-062-0559
NSN 5965-01-585-1527
NSN 5985-01-513-3010
NSN 7035-00-679-9027
NSN 5925-00-060-6732
NSN 5985-01-175-8406
NSN 6220-00-267-0946