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 7035-01-537-7301
NSN 5855-00-165-3093
NSN 6220-00-429-0950
NSN 5935-01-347-0325
NSN 6685-01-074-1020
NSN 5996-00-296-9629
NSN 5920-01-230-4480
NSN 6320-00-098-2858
NSN 6240-01-566-7525
NSN 6645-01-388-7364
NSN 6105-01-588-1714
NSN 5960-01-505-2426