Model: 888785

Helical Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
2.4675 inches
Teeth Quantity
19
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Mounting Hole Thread Series Designator
Unc axially through body, first end
Mounting Hole Thready Qty Per Inch (tpi)
18 axially through body, first end
Mounting Hole Thread Size
0.3130 inches axially through body, first end
Mounting Hole Type And Quantity
2 threaded axially through body, first end
Outside Diameter
2.6620 inches
Teeth Type
Spiral
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
39.6551 degrees
Face Width
0.750 inches
Bore Diameter
1.2485 inches both ends
Keyway Width
0.2530 inches both ends
Distance From Bore Center To Keyway Bottom
0.7683 inches both ends
Bolt Hole Circle Diameter
1.750 inches axially through body, first end
Material
Steel comp 4140
Material Specification
66 federal standard single material response and aisi/sae 4140 assn standard single material response
Style Designator
Hubless
NSN
3020-00-587-5270
Part Number
888785
Description
Gear,helical
CAGE
77237

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 888785 NSN 3020-00-587-5270

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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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