Model: SR31A6-145

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Clamp
Pitch Diameter
2.2656 inches
Teeth Quantity
145
Bore Style
Plain both ends
Backlash Designation
Grade c
Outside Diameter
2.2968 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.305 inches first end
Face Width
0.115 inches
Bore Diameter
0.188 inches both ends
Hub Style Designator
1 step first end
End Length
0.295 inches first end
Precision Classification
Quality number 10 or quality number 11
End Diameter
0.250 inches first end
First Step Length
0.010 inches first end
First Step Diameter
0.406 inches first end
Material
Aluminum alloy 2024
Material Specification
Qq-a-250/4, t3 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 1 military specification single treatment response
Style Designator
Protruding hub
NSN
3020-00-960-4099
Part Number
SR31A6-145
Description
Gear,spur
CAGE
09017

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

Part SR31A6-145 NSN 3020-00-960-4099

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05466
FIIG:
A27300
Concept No.:
1
App. Key:
AH
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197337
UFC:
96690
LTL:
RATING VARIABLE
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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