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 5960-01-420-4744
NSN 6110-01-327-8417
NSN 6320-01-547-2743
NSN 4140-01-506-1889
NSN 6130-01-444-0557
NSN 5985-00-576-0646
NSN 5930-01-135-8702
NSN 6320-01-173-7950
NSN 5975-00-246-4906
NSN 6240-01-215-3512
NSN 5905-01-201-7401
NSN 5996-01-616-0401