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 6145-01-090-2838
NSN 5960-01-472-9027
NSN 6685-00-642-0533
NSN 6130-00-156-7219
NSN 5960-01-450-8539
NSN 6145-00-171-3152
NSN 5999-01-086-3235
NSN 6620-01-454-8926
NSN 5855-00-411-8688
NSN 6610-01-608-2899
NSN 5999-01-141-6859
NSN 6130-01-552-3280