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 6150-01-313-9832
NSN 6610-01-245-8015
NSN 5945-00-269-5375
NSN 6645-01-424-9415
NSN 6105-01-478-6400
NSN 6610-01-226-6593
NSN 2925-01-048-8464
NSN 6650-00-960-5040
NSN 6610-01-237-5815
NSN 6105-01-246-0008
NSN 2925-01-629-9416
NSN 2925-01-226-6126