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 for steam turbines
NSN 6105-01-458-8302
NSN 5985-01-197-6999
NSN 5915-00-914-7587
NSN 6220-00-202-8591
NSN 6130-01-283-4075
NSN 7035-01-045-7202
NSN 5915-00-481-5878
NSN 5920-00-959-5664
NSN 6150-01-275-3750
NSN 6135-00-369-2368
NSN 6610-00-359-2226
NSN 6320-00-731-6134