Old part number 489006
No other part numbers with same form, fit, and function found.
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 6110-01-468-1028
NSN 5999-01-153-8759
NSN 4140-00-260-9521
NSN 6645-00-733-0667
NSN 5996-01-534-9995
NSN 6650-01-426-4253
NSN 5930-01-310-7994
NSN 6145-01-421-4257
NSN 5910-01-023-1406
NSN 6105-00-869-5632
NSN 6105-01-089-1325
NSN 5998-00-107-8278