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 6150-00-453-9265
NSN 5985-01-444-5393
NSN 6320-01-556-2011
NSN 5895-01-558-4520
NSN 6150-01-218-3348
NSN 5855-00-337-3679
NSN 6110-00-703-4442
NSN 5975-01-575-3111
NSN 5996-00-146-1275
NSN 6320-00-036-3688
NSN 6105-01-630-7492
NSN 2925-01-381-5307