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 5835-00-378-1429
NSN 5935-00-900-8837
NSN 6610-01-224-7247
NSN 2925-00-321-2032
NSN 5930-01-408-5257
NSN 5915-01-508-2911
NSN 6645-01-435-6373
NSN 5945-00-235-8518
NSN 5975-01-302-3650
NSN 5965-01-095-9767
NSN 6645-00-925-3857
NSN 6105-01-011-5210