Model: 425-212C

Flexible Shaft Coupling

Properties:

Overall Length

3.880 inches

Outside Diameter

4.750 inches

Keyway Width

0.250 inches second end

Keyway Width

0.312 inches first end

Keyway Depth

0.1250 inches second end

Keyway Depth

0.1560 inches first end

Thread Size Designator

3/8-16 second end

Thread Size Designator

7/16-14 first end

Bore Diameter

0.9970 inches second end

Bore Diameter

1.3750 inches first end

Bore Length

1.8800 inches both ends

End Application

Weapons system nucclear power plants

Bore Shape

Straight both ends

Design Type

Grid spring

Keying Facility Quantity

1 both ends

Keying Facility Type

Keyway both ends

Securing Method

Threaded hole both ends

Threaded Hole Quantity

1 both ends

Threaded Hole Location

Both ends: over keyway

Features Provided

Keyway and exposed coupling bolt type and tapered grid spring

NSN

3010-01-429-5396

Part Number

425-212C

Description

Coupling,shaft,flexible

CAGE

21444

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 425-212C NSN 3010-01-429-5396

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:

2.0000lbs

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:

190500

UFC:

93590

LTL:

RATING VARIABLE

LCL:

WCC:

586

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