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 5915-00-186-9346
NSN 5915-01-164-7315
NSN 5950-01-573-4263
NSN 5905-01-190-9071
NSN 6610-00-186-9180
NSN 5915-01-391-6237
NSN 6610-00-071-0057
NSN 6130-01-022-9722
NSN 5930-01-337-7142
NSN 6240-00-183-0570
NSN 6685-00-932-6302
NSN 6110-00-230-4509