54.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM OVERALL
CWCD
NOMINAL OUTSIDE DIAMETER
3.697 INCHES FIRST GEAR
CWFR
NOMINAL OVERALL LENGTH
1.310 INCHES
CWQN
HUB NOMINAL LENGTH
0.270 INCHES BETWEEN FIRST AND SECOND GEAR
CWRS
BORE NOMINAL DIAMETER
0.620 INCHES FIRST END
CWTB
COUNTERBORE NOMINAL DEPTH
0.245 INCHES FIRST END
CWTG
COUNTERBORE NOMINAL DIAMETER
1.750 INCHES FIRST END
CWTX
HUB NOMINAL DIAMETER
0.810 INCHES BETWEEN FIRST AND SECOND GEAR
CWWK
PRECISION CLASSIFICATION
QUALITY NUMBER 10 OR QUALITY NUMBER 11 ALL GEARS
MATT
MATERIAL
STEEL OVERALL
SFTT
SURFACE TREATMENT
CADMIUM OVERALL
STDC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
"MIL-C-8837,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL"
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.)."