Model: 7974509

Spur Gear

Special Features:

1st end cbore, 2.750 in. Diameter by 0.5000 in. Dp

Properties:

Pitch Diameter
4.2000 inches
Teeth Quantity
21
Bore Style
Plain both ends
Hardness Rating
53.0 rockwell c and 58.0 rockwell c
Hardness Rating
53.0 rockwell c and 58.0 rockwell c
Outside Diameter
4.4805 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Face Width
1.000 inches
Bore Diameter
2.3125 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
3.5000 inches first end
Material
Steel comp 8620h
Material Specification
66 federal standard single material response
Surface Treatment
Carbon
Style Designator
Protruding hub
NSN
3020-00-506-8492
Part Number
7974509
Description
Gear,spur
CAGE
19207

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 7974509 NSN 3020-00-506-8492

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:
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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