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 5975-01-483-4483
NSN 6240-00-966-8717
NSN 6220-01-263-3899
NSN 6110-01-365-4649
NSN 6610-01-111-9230
NSN 6645-00-583-0066
NSN 5960-00-935-6484
NSN 5965-01-289-6436
NSN 5975-00-343-0370
NSN 6105-00-153-7967
NSN 5996-01-425-1455
NSN 5915-01-076-1816