Model: A1053A126-1

Spur Gear

Special Features:

Gear has bore both ends; 2 dif dim: side w/mtg holes 1.645 in diameter from center; 2nd 1/2 of gear 1.800 in diameter from center

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
End Application
B1b aircraft foward fuselage
Pitch Diameter
3.9000 inches
Teeth Quantity
78
Mounting Hole Type And Quantity
2 countersunk axially through body, first end
Outside Diameter
3.930 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Face Width
0.234 inches
Mounting Hole Diameter
0.500 inches axially through body, first end
Material
Steel comp 4340
Material Specification
Mil-s-5000 military specification single material response
Surface Treatment
Phosphate
Surface Treatment Specification
Mil-p-16232 military specification single treatment response
Style Designator
Hubless
NSN
3020-01-291-4723
Part Number
A1053A126-1
Description
Gear,spur
CAGE
85941

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 A1053A126-1 NSN 3020-01-291-4723

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:
A
ESD:
ESD:
MMAC:
SX
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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