Model: 974-189

Spur Gear

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
5.1250 inches
Teeth Quantity
164
Bore Style
Plain both ends
Outside Diameter
5.184 inches
Tooth Form
Standard
Pressure Angle
14.5000 degrees
Face Width
0.234 inches
Bore Diameter
4.125 inches both ends
Material
Copper alloy
Surface Treatment
Chromium and nickel
Style Designator
Hubless, recessed body
NSN
3020-00-250-8204
Part Number
974-189
Description
Gear,spur
CAGE
94404

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 974-189 NSN 3020-00-250-8204

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:
92.5
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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