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.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6150-01-207-0443
NSN 5920-00-241-6803
NSN 5975-01-220-8127
NSN 5920-00-178-1688
NSN 6145-01-604-8619
NSN 5925-01-136-9730
NSN 5996-00-829-0661
NSN 6320-00-194-4252
NSN 7035-01-380-3759
NSN 4140-01-544-6306
NSN 5996-01-323-6008
NSN 6610-00-089-6950