"FLANGE HAS A FLAT SPOT TANGENT TO BODY OD; RAISED KEYWAY ON BODY OD 180.0. DEGREES CENTER TO CENTER FROM FLAT+ UNDERCUT,OPTIONAL CONFIGURATION FOR FLANGE TO BODY CORNER"
MATT
MATERIAL
COPPER ALLOY OVERALL
MDCL
MATERIAL DOCUMENT AND CLASSIFICATION
MIL-B-5687 TYPE 1 COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL