Model: 1870

Helical Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
1.6250 inches
Teeth Quantity
12
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Mounting Hole Thread Series Designator
Unf axially through body, first end
Mounting Hole Thread Size
0.1900 inches axially through body, first end
Mounting Hole Type And Quantity
2 threaded axially through body, first end
Outside Diameter
1.8745 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
10.0000 degrees
Face Width
2.4999 inches
Bore Diameter
0.7507 inches both ends
Keyway Width
0.1875 inches both ends
Distance From Bore Center To Keyway Bottom
0.4645 inches both ends
Bolt Hole Circle Diameter
1.062 inches axially through body, first end
Material
Copper alloy
Style Designator
Hubless
NSN
3020-00-517-2880
Part Number
1870
Description
Gear,helical
CAGE
54641

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 1870 NSN 3020-00-517-2880

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:
0.1000lbs
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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