Model: A97-201

Spur Antibacklash Gear

Special Features:

0.406 in.Across wrenching flats on first end hub

Properties:

Pitch Diameter
2.2187 inches
Teeth Quantity
142
Bore Style
W/counterbore counter bore, second end
Outside Diameter
2.249 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.188 inches first end
Distance Between Body Face And Protruding Hub End
0.062 inches second end
Face Width
0.125 inches
Bore Diameter
0.241 inches counter bore, second end
Counterbore Depth
0.047 inches counter bore, second end
Counterbore Diameter
0.375 inches counter bore, second end
Hub Style Designator
Plain both ends
Hub Diameter
0.500 inches first end
Hub Diameter
0.812 inches second end
Precision Classification
Quality number 10
Material
Aluminum alloy 2024 body
Material
Steel comp 303 hub
Material Specification
Qq-a-335, t4 federal specification single material response body
Material Specification
Qq-s-763, cond a federal specification single material response hub
Surface Treatment
Anodize body
Surface Treatment
Passivate hub
Style Designator
Protruding hubs
NSN
3020-00-765-9507
Part Number
A97-201
Description
Gear,antibacklash,spur
CAGE
01147

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 A97-201 NSN 3020-00-765-9507

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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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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