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 6240-01-103-3081
NSN 6105-00-492-6159
NSN 4140-01-260-8009
NSN 5920-01-412-1080
NSN 5920-01-057-4990
NSN 6150-01-310-9376
NSN 5910-00-410-8312
NSN 5990-00-591-3793
NSN 6110-01-342-6869
NSN 5996-00-581-5810
NSN 6135-00-951-3426
NSN 5895-01-468-6215