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.
NSN 5930-01-387-8768
NSN 6685-01-359-1760
NSN 7035-00-200-5162
NSN 6150-01-454-5044
NSN 5998-00-072-9823
NSN 5915-00-499-7413
NSN 5910-01-327-3532
NSN 5965-01-133-7459
NSN 5965-01-460-4172
NSN 5990-00-179-2576
NSN 6220-01-072-9997
NSN 5905-01-391-4641