Model: 43921-681

Rigid Shaft Coupling

Special Features:

P/n 43921-681 no grease fitting; p/n 43721-681 w/grease fitting, are used on motor serial nos.832447a-2 and 308618-02069sn15.

Properties:

Spline Major Diameter

1.325 inches first end

Overall Length

2.625 inches

Spline Quantity

26 first end

Bore Diameter

0.625 inches first end

End Application

Weapons system support equipment f-4 aircraft

Bore Shape

Splined first end

Bore Shape

Straight second end

Spline Type

Involute first end

Securing Method

Threaded hole

Threaded Hole Quantity

Features Provided

Keyway

Style Designator

Plain sleeve

NSN

3010-01-417-2187

Part Number

43921-681

Description

Coupling,shaft,rigid

CAGE

4N240

A device for connecting the ends of two shafts to produce in effect, one piece of rigid shafting so that the rotary motion of one shaft is transmitted to the other shaft. Couplings of the sleeve type must have an over-all length exceeding the outside diameter, or must have an internal spline.

Part 43921-681 NSN 3010-01-417-2187

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13742

FIIG:

A522C0

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:

1.5000lbs

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