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 5960-00-110-3285
NSN 6145-00-736-8338
NSN 5985-00-146-2450
NSN 5925-01-337-9677
NSN 6105-01-416-4029
NSN 5996-01-154-1064
NSN 6240-00-727-6423
NSN 5925-01-350-4295
NSN 2925-00-233-5644
NSN 7035-00-887-4674
NSN 6685-01-254-3014
NSN 5950-00-378-0398