39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
CSYM
SURFACE FINISH
125.0 MICROINCHES INTERMEDIATE LAYER
MATT
MATERIAL
STEEL COMP 4340 OR STEEL COMP E4340 OVERALL
MDCL
MATERIAL DOCUMENT AND CLASSIFICATION
MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SFTT
SURFACE TREATMENT
CADMIUM OVERALL
STDC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
"QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL"
STYL
STYLE DESIGNATOR
"22C SOLID, EXTERNAL FLANGE ONE END"
TEST
TEST DATA DOCUMENT
"81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS ""TYPICAL"", ""AVERAGE"", ""NOMINAL"", ETC.)."