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 5905-01-344-7453
NSN 6240-01-656-1126
NSN 6130-00-215-0661
NSN 6135-01-303-0295
NSN 5835-01-141-4975
NSN 6645-01-196-8616
NSN 5998-00-066-6889
NSN 5999-01-597-0093
NSN 6650-01-559-7635
NSN 6220-01-107-8096
NSN 6240-01-532-0671
NSN 6110-01-141-0624