Item is a non-aviation critical safety item (csi) whose failure will result in serious damage to equipment or serious injury or death to personnel.
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 6650-01-462-0830
NSN 6240-01-136-4694
NSN 5965-01-196-7760
NSN 5855-00-087-7833
NSN 6220-00-593-1779
NSN 5930-01-328-6764
NSN 7035-00-238-3662
NSN 6610-01-588-4642
NSN 5835-01-266-4382
NSN 5920-00-771-7280
NSN 5915-01-515-6834
NSN 5975-01-605-1999