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 5999-00-571-6033
NSN 6150-01-396-9566
NSN 5998-01-168-6548
NSN 6240-01-026-1376
NSN 5965-01-068-6696
NSN 6650-00-431-9541
NSN 5910-01-423-1573
NSN 6650-00-399-9256
NSN 6320-01-029-4220
NSN 6220-01-202-0195
NSN 6685-01-042-6723
NSN 5905-01-031-4172