21.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM OVERALL
CWCD
NOMINAL OUTSIDE DIAMETER
3.5622 INCHES
CWFR
NOMINAL OVERALL LENGTH
1.359 INCHES
CWMW
TEETH TYPE
SINGLE HELIX
CWNH
TOOTH FORM
STANDARD
CWNM
TOOTH DIRECTION
RIGHT
CWPP
PRESSURE ANGLE
14.5000 DEGREES
CWPZ
HELIX ANGLE
26.8333 DEGREES
CWRM
FACE NOMINAL WIDTH
1.219 INCHES
CWRS
BORE NOMINAL DIAMETER
1.999 INCHES BOTH ENDS
CWSN
KEYWAY NOMINAL WIDTH
0.312 INCHES BOTH ENDS
CWSR
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM
1.166 INCHES BOTH ENDS
CWTR
HUB STYLE DESIGNATOR
PLAIN FIRST END
CWTX
HUB NOMINAL DIAMETER
2.875 INCHES FIRST END
FEAT
SPECIAL FEATURES
"TIMING MARK AT CENTER LINE OF TOOTH SPACED 42 DEG 14 MIN FROM CENTER LINE OF KEYWAY,2 PULLER HOLES 3/8-16 UNC 2B THD,9/16 IN. DEEP ON 2-9/16 IN. DIA BOLT CIRCLE"
MATT
MATERIAL
STEEL COMP 1137 OVERALL
MATT
III MATERIAL
STEEL COMP 1137 OVERALL
MDCL
MATERIAL DOCUMENT AND CLASSIFICATION
66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1137 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYL
STYLE DESIGNATOR
PROTRUDING HUB
Product Specifications:
Part Number
DA6157
Cage Code
81601
NSN Number
3020-00-251-0879 (3020002510879)
NIIN Number
002510879
Item Name
GEAR,HELICAL
FSG
30
FSG Name
Mechanical Power Transmission Equipment
FSG With Name
30 - Mechanical Power Transmission Equipment
FSC
3020
FSC Name
Gears, Pulleys, Sprockets, and Transmission Chain
FSC With Name
3020 - Gears, Pulleys, Sprockets, and Transmission Chain