Model: 256070

Helical Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
6.4804 inches
Teeth Quantity
50
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
217.0 brinell standard and 255.0 brinell standard
Outside Diameter
6.727 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
15.3249 degrees
Distance Between Body Face And Protruding Hub End
0.500 inches first end
Face Width
0.875 inches
Bore Diameter
1.250 inches both ends
Keyway Width
0.251 inches both ends
Distance From Bore Center To Keyway Bottom
0.746 inches both ends
Hub Style Designator
1 step first end
Hub Style Designator
Plain second end
Hub Diameter
2.000 inches second end
End Length
0.191 inches first end
End Diameter
1.623 inches first end
First Step Length
0.311 inches first end
First Step Diameter
2.000 inches first end
Material
Iron cast
Style Designator
One protruding hub, one flush hub
NSN
3020-00-614-6480
Part Number
256070
Description
Gear,helical
CAGE
28265

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 256070 NSN 3020-00-614-6480

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.8000lbs
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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