"CENTRALLY LOCATED HOLE 2.620 IN. NOM DIAM;FOUR TABS,THREE EQ SPACED W/FOURTH OFFSET AT 80 DEG ON A DIAM OF 4.440 IN. NOM W/WIDTH OF 0.680 IN. NOM;RAISED SURF,I.E.KEYS,LOC 180 DEG APART"
MATT
MATERIAL
STEEL COMP 4340 OVERALL
SFTT
SURFACE TREATMENT
OXIDE OVERALL
STDC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL