Model: 307847

Helical Gear

Properties:

Body Style
Spoked
Attachment Method
Mounting hole
Pitch Diameter
3.1250 inches
Teeth Quantity
70
Bore Style
Plain both ends
Mounting Hole Type And Quantity
2 plain axially through body, first end
Outside Diameter
3.2068 inches
Teeth Type
Single helix
Tooth Form
Special
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
22.5000 degrees
Body Recess Depth
0.025 inches first end
Face Width
0.312 inches
Bore Diameter
0.5000 inches both ends
Mounting Hole Diameter
0.164 inches axially through body, first end
Bolt Hole Circle Diameter
0.750 inches axially through body, first end
Material
Plastic polyamide teeth
Material
Steel body
Surface Treatment
Chromate body
Style Designator
Hubless, recessed body
NSN
3020-00-340-0813
Part Number
307847
Description
Gear,helical
CAGE
57712

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 307847 NSN 3020-00-340-0813

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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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