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 6220-00-823-6688
NSN 5905-01-252-5968
NSN 5950-00-248-6921
NSN 5935-01-212-8004
NSN 5960-01-045-5823
NSN 6150-01-014-4420
NSN 6645-01-366-5033
NSN 6610-01-624-5664
NSN 6685-01-065-3511
NSN 5975-01-456-2341
NSN 6240-01-389-9198
NSN 5945-00-071-8086