Model: CC1251

Helical Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
4.3750 inches
Teeth Quantity
36
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Mounting Hole Thread Series Designator
Unc axially through body, first end
Hardness Rating
27.0 rockwell c and 32.0 rockwell c
Mounting Hole Thread Size
0.375 inches axially through body, first end
Mounting Hole Type And Quantity
2 threaded axially through body, first end
Outside Diameter
4.567 inches
Teeth Type
Single helix
Tooth Form
Stub
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
34.6283 degrees
Distance Between Body Face And Protruding Hub End
0.172 inches first end
Face Width
1.375 inches
Bore Diameter
2.119 inches both ends
Keyway Width
0.252 inches both ends
Distance From Bore Center To Keyway Bottom
1.134 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
4.094 inches first end
Material
Steel comp 1141
Material Specification
Qq-s-637, comp 1141 federal specification single material response
Style Designator
Protruding hub
NSN
3020-00-517-1122
Part Number
CC1251
Description
Gear,helical
CAGE
56442

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 CC1251 NSN 3020-00-517-1122

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:
6.2 X 5.3 X 2.3
Paclk Weight:
5.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
SPI Rev.:
SPC Mkg:
LVL_A:
LVL_B:

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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