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 5960-00-991-1135
NSN 5835-01-548-5864
NSN 6220-01-502-9451
NSN 5905-00-847-7403
NSN 5950-00-805-6274
NSN 5985-01-205-7208
NSN 6135-01-299-7252
NSN 6240-00-836-2079
NSN 5920-01-542-3150
NSN 5975-00-221-7175
NSN 5925-01-501-6074
NSN 5855-00-337-3679