Standard STEEL BARS, FORGINGS, AND RINGS, CORROSION RESISTANT 15Cr - 20Co - 2.75Mo 1991-07-01 HISTORICAL AMS5761
Standard STEEL BARS, FORGINGS, AND RINGS, CORROSION RESISTANT 15Cr - 20Co - 2.8Mo Solution Heat Treated 1986-10-01 HISTORICAL AMS5761A
Standard Steel Bars, Forgings, and Rings, Corrosion Resistant 15cr 20co 2.8mo Solution Heat Treated 1981-01-01 CURRENT AMS5761B