Model: 971-1121

Spur Gear

Special Features:

Split type hub

Properties:

Body Style
Plain, solid
Attachment Method
Clamp
Pitch Diameter
Between 1.0647 inches and 1.0657 inches
Teeth Quantity
128
Bore Style
Plain both ends
Outside Diameter
1.081 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.513 inches first end
Distance Between Body Face And Protruding Hub End
0.018 inches second end
Face Width
0.125 inches
Bore Diameter
0.090 inches both ends
Hub Style Designator
1 step first end
Hub Style Designator
Plain second end
Hub Diameter
0.188 inches second end
End Length
0.281 inches first end
End Diameter
0.125 inches first end
First Step Length
0.232 inches first end
First Step Diameter
0.313 inches first end
Material
Aluminum alloy 2024 teeth and aluminum alloy 1230 teeth
Material
Steel comp 303se body
Material
Aluminum alloy 2024 and aluminum alloy 1230 teeth
Material Specification
Mil-s-7720, comp 303se military specification single material response body
Material Specification
Qq-a-250/5, alloy alclad 2024, t4 federal specification all material responses teeth
Surface Treatment
Anodize body
Surface Treatment
Passivate teeth
Style Designator
Protruding hubs
NSN
3020-00-676-9776
Part Number
971-1121
Description
Gear,spur
CAGE
81413

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 971-1121 NSN 3020-00-676-9776

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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