Model: N639

Shaft Coupling Half

Description:

Multiple positioning holes body style, 8.813 inches overall length, 8.8130 inches bore length, tapered bore shape, keyway features provided.

Special Features:

Positioning holes spot faced 2-1/4" dia., 1/16" deep; unthreaded bore dia.: 1.313" nom.; positioning facility bolt circle dia.: 12.250" nom.; positioning facility qty: 6; positioning hole style: plain; bore counterbore feature: included; keying facility spacing in deg.: 180; keying facility qty: 2; keying facility: included; counterbore location: coupling ends; o/a outside dimension: 15" nom.; hub od: 8.625" nom.; thread provision: unthreaded; distance from center of bore to bottom of keyway: 3" nom.; keyway wd: 1.490" min., 1.492" max.; taper minor dia.: 4.5325" nom.; flange thickness: 1.313" nom.; counterbore depth: 0.625" min., 2.625" max.; counterbore dia.: 7.250" nom., 7.312" min., 7.314" max.

Properties:

Body Style

Multiple positioning holes

Overall Length

8.813 inches

Bore Length

8.8130 inches

Bore Shape

Tapered

Features Provided

Keyway

Taper Largest Diameter

5.0000 inches

Material

Steel

Material Specification

Mil-s-890, class bs military specification single material response

NSN

3010-00-287-7345

Part Number

N639

Description

Coupling Half,shaft

CAGE

07077

A mechanical item used to connect a shaft and the mating member of a flexible or rigid coupling.

Part N639 NSN 3010-00-287-7345

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

08009

FIIG:

A521X0

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:

19.0 X 19.0 X 14.0

Paclk Weight:

97.0000lbs

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:

126880

UFC:

64300

LTL:

RATING VARIABLE

LCL:

RATING VARIABLE

WCC:

593

TCC:

SHC:

ACC:

Construction Materials

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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