Model: 639769-1

Spur Gear Sector

Properties:

Attachment Method
Mounting hole
Teeth Quantity
80
Bore Style
Plain both ends
Pitch Radius
1.1250 inches
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thread Size
0.112 inches transversely through hub, first end
Mounting Hole Type And Quantity
1 threaded transversely through hub, first end
Tooth Form
Stub
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.1000 inches first end
Face Width
0.300 inches
Bore Diameter
0.375 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.7500 inches first end
Outside Radius
1.2815 inches
Precision Classification
Quality number 12
Arc Length
3.1313 inches
Material
Aluminum alloy
Material Specification
Qq-a-225/6, alloy 2024, t351 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 type 1 class 1 military specification single treatment response
Style Designator
Protruding hub
NSN
3020-00-493-8026
Part Number
639769-1
Description
Gear Sector,spur
CAGE
96214

A gear sector with complements of spur gear teeth.

Part 639769-1 NSN 3020-00-493-8026

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
28377
FIIG:
A27300
Concept No.:
1
App. Key:
AP
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:
133300
UFC:
63220
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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