Model: 9142983

Spur Antibacklash Gear

Properties:

Pitch Diameter
2.6250 inches
Teeth Quantity
63
Bore Style
Plain both ends
Outside Diameter
2.7040 inches
Tooth Form
Standard
Pressure Angle
14.5000 degrees
Distance Between Body Face And Protruding Hub End
1.438 inches first end0.132 inches second end
Face Width
0.750 inches
Bore Diameter
0.688 inches both ends
Hub Style Designator
1 groove second end
Hub Style Designator
2 grooves first end
Hub Diameter
1.373 inches first end
Hub Diameter
1.561 inches second end
First Groove Width
0.125 inches first end
First Groove Width
0.080 inches second end
First Groove Diameter
1.000 inches first end
First Groove Diameter
1.490 inches second end
Distance From End To First Groove
0.058 inches second end
Distance From End To First Groove
0.125 inches first end
Second Groove Width
0.058 inches first end
Second Groove Diameter
1.310 inches first end
Distance From End To Second Groove
0.297 inches first end
Material
Aluminum alloy 2024 body
Material
Stainless steel hub
Material Specification
Qq-a-355, t4 federal specification single material response body
Material Specification
Qq-s-763, cl 6 federal specification single material response hub
Surface Treatment
Passivate hub
Style Designator
Protruding hubs
NSN
3020-00-439-8326
Part Number
9142983
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 9142983 NSN 3020-00-439-8326

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:
3.6 X 3.6 X 3.2
Paclk Weight:
0.5000lbs
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:

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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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