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 5985-01-508-5875
NSN 5996-01-074-0544
NSN 5985-01-538-9479
NSN 5915-01-267-5670
NSN 5998-01-067-8323
NSN 5920-00-869-6403
NSN 6320-00-905-0543
NSN 5835-01-390-4667
NSN 6105-00-397-3622
NSN 6110-01-250-2936
NSN 7035-00-150-2379
NSN 6150-01-374-7540