Model: M-A74144 REV A

Shouldered Shaft

Special Features:

2nd step on 1st end splined, largest diameter flatted 2 sides

Properties:

First End Style
External threaded
End Similarity
Not identical
Second End Style
Splined (involute)
Overall Length
6.910 inches
First End Diameter
0.4375 inches
First End External Thread Length
0.625 inches
Second End Diameter
0.7860 inches
Second End Spline Length
0.938 inches
Second End Spline Minor Diameter
0.6860 inches
Second End Spline Major Diameter
0.7860 inches
Second End Pressure Angle
30.0 degrees
Second End Pitch Diameter
0.7500 inches
Step Quantity
8
Second End Spline Quantity
15
Largest Step Diameter
0.905 inches
Material
Steel
NSN
3040-00-334-9428
Part Number
M-A74144 REV A
Description
Shaft,shouldered
CAGE
1V8H5

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.

Part M-A74144 REV A NSN 3040-00-334-9428

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22914
FIIG:
A23200
Concept No.:
1
App. Key:
A
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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:
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:
126900
UFC:
65750
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483105000
  • SITC: 74810
  • End Use: Industrial machines, other
  • NAICS: 333613
  • USDA: 1

Freight Class: Transmission shafts and cranks, except camshafts and crankshafts

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