Model: 563-7066807-55

Bell Crank

Special Features:

Both ends has 2.000 diameter boss on both sides of clevis. Fulcrum has 4.750 diameter boss on both sides

Properties:

Bore Diameter
Between 2.149 inches and 2.499 inches
Bore Length
4.000 inches
End Application
Main ballast tank vent valve assembly for los angeles class submarine (688)
Fulcrum Bore Shape
Splined
Center To Center Distance Between Fulcrum And Arm End Hole/slot/ball
4.250 inches 1st end
Center To Center Distance Between Fulcrum And Arm End Hole/slot/ball
5.000 inches 2nd end
End Hole/ball Diameter
0.751 inches 1st end and 0.755 inches 1st end
End Hole/ball Diameter
1.000 inches 2nd end and 1.005 inches 2nd end
Material
Copper alloy
Material Specification
Mil-b-24480 military specification single material response
Style Designator
Raised face pivot hole, clevis both ends
NSN
3040-01-499-0553
Part Number
563-7066807-55
Description
Bell Crank
CAGE
53711

An item in the form of two arms at an angle, having its fulcrum at the apex of the angle, and used to provide a means of changing the direction or varying the intensity of a pushing or pulling force. See also arm (as modified); and lever (as modified).

Part 563-7066807-55 NSN 3040-01-499-0553

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22321
FIIG:
A523Z0
Concept No.:
App. Key:
Cond. Code:
2
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:
A
ESD:
A
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
130400
UFC:
61355
LTL:
85.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483508080
  • SITC: 74850
  • End Use: Industrial machines, other
  • NAICS: 333613
  • USDA: 1

Freight Class: Flywheels, pulley blocks and pulleys, nesoi

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