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 for spark-ignition or compression-ignition internal combustion piston engines for use in aircraft except civil
NSN 5935-01-163-3105
NSN 6145-00-369-3849
NSN 6105-01-521-6166
NSN 5998-00-363-7919
NSN 5895-01-305-5426
NSN 6685-00-836-1636
NSN 5965-01-527-8847
NSN 6220-01-593-0061
NSN 5895-01-471-2079
NSN 5935-00-115-8760
NSN 5910-00-620-3221
NSN 6320-01-422-1212