Model: 218T576

Shaft Coupling Half

Special Features:

Bore thread size designator: 7/16 - 20 nf; positioning facility bolt circle dia.: 3.750" nom.; positioning facility qty: 4; positioning hole style: tpped; bore counterbore feature: not included; keying facility qty: 1; hub od: 3.500" nom.; thread provision: unthreaded; distance from center of bore to bottom of keyway: 1.437" nom.; keyway wd: 0.625" nom.; recess dep.: 0.750" nom.; recess dia.: 2.750" nom.; flange thickness: 1.500" nom.

Properties:

Body Style
Multiple positioning holes, recessed face
Overall Length
4.875 inches
Outside Diameter
4.625 inches
Bore Diameter
Between 2.2510 inches and 2.2520 inches
Bore Length
4.1250 inches
Bore Shape
Straight
Features Provided
Keyway
Material
Steel
Material Specification
Fed standard 66, aisi 4142h, 4147h, 4150h, or sae 4142h, 4147h, 4150h federal standard single material response
NSN
3010-00-407-3784
Part Number
218T576
Description
Coupling Half,shaft
CAGE

A mechanical item used to connect a shaft and the mating member of a flexible or rigid coupling.

Part 218T576 NSN 3010-00-407-3784

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08009
FIIG:
A521X0
Concept No.:
App. Key:
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:
126880
UFC:
64300
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483608000
  • SITC: 74860
  • End Use: Industrial machines, other
  • NAICS: 333613
  • USDA: 1

Freight Class: Shaft couplings, except universal joints

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