Model: 1388142-1

Rigid Shaft Coupling

Special Features:

Counterbore diameter: first end, 0.511 in. ; counterbore depth: first end, 0.375 in. ; pitch diameter: first end, 0.469 in. ; second end, 1.000 in.

Properties:

Spline Minor Diameter

0.4390 inches first end and 0.4440 inches first end

Spline Minor Diameter

0.9380 inches second end and 0.9430 inches second end

Spline Major Diameter

0.5000 inches first end and 0.5010 inches first end

Spline Major Diameter

1.1120 inches second end and 1.1130 inches second end

Overall Length

1.438 inches

Spline Quantity

15 first end

Spline Quantity

16 second end

Overall Diameter

1.375 inches

Bore Shape

Splined both ends

Spline Pressure Angle In Deg

30.000 both ends

Spline Length

0.3740 inches first end and 0.3780 inches first end

Spline Length

0.8750 inches second end and 0.8790 inches second end

Spline Type

Involute both ends

Features Provided

Bore counterbore

Body Material

Stainless steel

Material Specification

Ams 5643, cond a assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-s-5002 military specification single treatment response

Style Designator

Plain sleeve

NSN

3010-00-485-9142

Part Number

1388142-1

Description

Coupling,shaft,rigid

CAGE

98889

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 1388142-1 NSN 3010-00-485-9142

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:

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