Model: STH420470

Flexible Shaft Coupling

Properties:

Overall Length

3.750 inches

Outside Diameter

3.375 inches

Keyway Width

0.250 inches first end

Keyway Width

0.250 inches second end

Keyway Depth

0.1250 inches first end

Keyway Depth

0.1250 inches second end

Thread Size Designator

1/4-20 first end

Thread Size Designator

1/4-20 second end

Bore Diameter

1.0000 inches second end

Bore Diameter

1.2500 inches first end

Bore Length

1.6250 inches first end

Bore Length

1.6250 inches second end

Bore Shape

Straight both ends

Furnished Items And Quantity

Screws 3

Design Type

Internal gear

Keying Facility Quantity

2 second end

Keying Facility Quantity

1 first end

Keying Facility Spacing In Deg

180.0 second end

Keying Facility Type

Keyway first end

Keying Facility Type

Keyway second end

Securing Method

Threaded hole both ends

Threaded Hole Quantity

1 first end

Threaded Hole Quantity

2 second end

Threaded Hole Location

Both ends: located on top of keyway 180 degrees apart

Features Provided

Keyway and standard grid spring

NSN

3010-00-432-5502

Part Number

STH420470

Description

Coupling,shaft,flexible

CAGE

71791

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 STH420470 NSN 3010-00-432-5502

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:

4.1000lbs

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:

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