39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
MATT
MATERIAL
STEEL COMP 4340 OVERALL
MDCL
MATERIAL DOCUMENT AND CLASSIFICATION
"MIL-S-5000,COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL"
SFTT
SURFACE TREATMENT
CADMIUM OR CHROMATE OVERALL
STDC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
"MIL-C-8837,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL"
STYL
STYLE DESIGNATOR
SOLID
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.)."