Model: DA6157

Helical Gear

Special Features:

Timing mark at center line of tooth spaced 42 degrees 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. Diameter bolt circle

Properties:

Body Style
Plain, solid
Pitch Diameter
3.3622 inches
Teeth Quantity
30
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
21.0 rockwell c and 25.0 rockwell c
Outside Diameter
3.5622 inches
Nominallength
1.359 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
26.8333 degrees
Distance Between Body Face And Protruding Hub End
0.140 inches first end
Face Width
1.219 inches
Bore Diameter
1.999 inches both ends
Keyway Width
0.312 inches both ends
Distance From Bore Center To Keyway Bottom
1.166 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
2.875 inches first end
Material
Steel comp 1137
Material Specification
66 federal standard single material response and aisi/sae 1137 assn standard single material response
Style Designator
Protruding hub
NSN
3020-00-251-0879
Part Number
DA6157
Description
Gear,helical
CAGE
81601

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part DA6157 NSN 3020-00-251-0879

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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