Model: 9174827

Spur Antibacklash Gear

Special Features:

Mtg holes 90 degs apart

Properties:

Attachment Method
Mounting hole
Pitch Diameter
1.9218 inches
Teeth Quantity
123
Bore Style
Plain both ends
Backlash Designation
Grade c
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thready Qty Per Inch (tpi)
32 transversely through hub, first end
Mounting Hole Thread Size
0.138 inches transversely through hub, first end
Mounting Hole Type And Quantity
2 threaded transversely through hub, first end
Outside Diameter
1.952 inches
Nominallength
0.578 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.427 inches first end
Distance Between Body Face And Protruding Hub End
0.037 inches second end
Face Width
0.114 inches
Bore Diameter
0.250 inches both ends
Hub Style Designator
3 steps first end
Hub Style Designator
Plain second end
Hub Diameter
0.813 inches second end
End Length
0.046 inches first end
Precision Classification
Quality number 10
End Diameter
0.748 inches first end
First Step Length
0.047 inches first end
First Step Diameter
1.000 inches first end
Second Step Length
0.297 inches first end
Second Step Diameter
0.748 inches first end
Third Step Length
0.037 inches first end
Third Step Diameter
1.000 inches first end
First Groove Width
0.270 inches first end
First Groove Diameter
0.747 inches first end
Distance From End To First Groove
0.093 inches first end
Material
Aluminum alloy body
Material
Aluminum alloy hub
Surface Treatment
Anodize
Style Designator
Protruding hubs
NSN
3020-00-771-0598
Part Number
9174827
Description
Gear,antibacklash,spur
CAGE
18876

An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

Part 9174827 NSN 3020-00-771-0598

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26668
FIIG:
A27300
Concept No.:
App. Key:
AC
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:
586
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Phone: +1 470-231-0824
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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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