Model: 505551-989

Centrifugal Impeller

Special Features:

Surface treatment is one coat green epoxy primer (formula 150 type 1) and one coat epoxy gray topcoat (formula 150 type)

Properties:

Diameter
18.500 inches
Mounting Bolt Circle Diameter
1.125 inches
End Application
Fan model cc3a4w6-ccw-ns
Blade Quantity
12
Attachment Method
Keyway
Rotation Direction For Which Designed
Counterclockwise
Part Name Assigned By Controlling Agency
Fan wheel assembly
Blade Shape
Forward curve
Material
Aluminum
Style Designator
Curved blades single width
NSN
4140-01-530-8825
Part Number
505551-989
Description
Impeller,centrifugal
CAGE
75477

An item with blades, vanes, or paddles equally spaced radially or horizontally around the periphery of a hub, rotor, or wheel. It is the rotating part of a centrifugal fan, electric motor, generator and the like which creates a flow of air or gas perpendicular to the axis of rotation.

Part 505551-989 NSN 4140-01-530-8825

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
10088
FIIG:
A087A0
Concept No.:
App. Key:
H
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:
061920
UFC:
34690
LTL:
100.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8414901040
  • SITC: 74380
  • End Use: Household appliances
  • NAICS: 335210
  • USDA: 1

Freight Class: Parts of fans (including blowers) and ventilating or recycling hoods for permanent installation (of subheading 8414.51.00)

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