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 6620-01-152-0936
NSN 6650-00-840-9758
NSN 6650-00-246-3751
NSN 5985-00-931-2003
NSN 5998-00-011-3426
NSN 4140-00-468-1117
NSN 6135-01-100-3593
NSN 5905-01-138-5479
NSN 5985-01-503-4166
NSN 5925-00-715-7831
NSN 6105-00-175-0207
NSN 6145-01-436-6241