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 5835-00-368-4182
NSN 6110-00-116-5514
NSN 5950-01-100-4442
NSN 5910-01-511-0224
NSN 5965-00-433-6181
NSN 7035-00-003-7518
NSN 5835-01-354-0566
NSN 6620-01-029-5572
NSN 6685-01-152-1212
NSN 6145-01-395-7260
NSN 6645-01-587-4642
NSN 5945-01-328-8526