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:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
126880
UFC:
64300
LTL:
RATING VARIABLE
LCL:
RATING VARIABLE
WCC:
593
TCC:
Z
SHC:
9
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

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