Model: 42391-50

Rigid Shaft Coupling

Special Features:

Counterbore diameter: 1.770 in. ; counterbore depth: 1.210 in. ; pitch diameter: 1.250 in. ; flange has 4 bolt holes; first end, 4.0 in. Dia. Bc; flange is 0.165 in. W

Properties:

Hole Diameter

0.3130 inches

Spline Minor Diameter

1.2000 inches second end

Spline Major Diameter

1.3100 inches second end

Overall Length

2.220 inches

Spline Quantity

20 second end

Overall Diameter

4.680 inches

End Application

F-101 engine, b-1b aircraft

Bore Shape

Splined second end

Spline Pressure Angle In Deg

14.500 second end

Spline Length

1.010 inches second end

Spline Type

Involute second end

Securing Method

Unthreaded hole

Unthreaded Hole Quantity

Features Provided

Bore counterbore

Body Material

Stainless steel

Surface Treatment

Nickel

Style Designator

Plain sleeve

NSN

3010-01-174-9199

Part Number

42391-50

Description

Coupling,shaft,rigid

CAGE

82402

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 42391-50 NSN 3010-01-174-9199

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:

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:

197339

UFC:

96710

LTL:

65.0

LCL:

60.0

WCC:

593

TCC:

SHC:

ACC:

Equipment for Aircraft

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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