QQ-A-225/6 FED SPEC 1ST MATERIAL RESPONSE AND WW-T-70013 FED SPEC 2ND MATERIAL RESPONSE INNER MEMBER
SFTT
SURFACE TREATMENT
ANODIZE AND OXIDE FILM OUTER RACE MEMBER
STDC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
MIL-A-8625 TYPE 1 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-A-8625 TYPE 3 MIL SPEC 2ND TREATMENT RESPONSE AND MIL-C-5541 MIL SPEC 3RD TREATMENT RESPONSE OUTER RACE MEMBER