Model: 678B

Flexible Shaft Coupling

Properties:

Overall Length

5.500 inches

Outside Diameter

Between 7.000 inches and 7.005 inches

Taper Minor Diameter

1.8750 inches both ends and 1.8800 inches both ends

Keyway Depth

0.1880 inches both ends

Key Width

0.375 inches both ends

Bore Length

1.9370 inches both ends

Bore Shape

Tapered both ends

Design Type

Internal gear

Keying Facility Quantity

1 both ends

Keying Facility Type

Keyway both ends

Features Provided

Keyway and mill motor

Taper Largest Diameter

1.7540 inches both ends and 1.7590 inches both ends

NSN

3010-00-541-2803

Part Number

678B

Description

Coupling,shaft,flexible

CAGE

0AT62

A device for connecting the ends of two shafts so that rotary motion of one shaft is transmitted to the other shaft. It is constructed to allow for slight misalignment of shafts both linear and angular.

Part 678B NSN 3010-00-541-2803

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04459

FIIG:

A522B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

126880

UFC:

64300

LTL:

RATING VARIABLE

LCL:

WCC:

593

TCC:

SHC:

ACC:

Construction Materials

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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