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 5915-01-005-8481
NSN 5998-01-522-1298
NSN 5835-01-354-0566
NSN 5910-01-550-9709
NSN 5895-01-629-2029
NSN 5998-01-205-8550
NSN 2925-01-255-6394
NSN 5895-00-253-0799
NSN 6105-01-555-7874
NSN 5975-01-445-6915
NSN 6610-00-813-7023
NSN 5855-01-035-2866