Model: 249-33749

Shouldered Shaft

Properties:

First End Style
Splined (involute)
End Similarity
Not identical
Second End Style
External threaded
Overall Length
4.625 inches
First End Diameter
0.4980 inches
First End Spline Length
1.425 inches
First End Spline Minor Diameter
0.4370 inches
First End Spline Major Diameter
0.4980 inches
First End Pressure Angle
30.0 degrees
First End Pitch Diameter
0.4675 inches
Second End Diameter
0.2500 inches
Second End External Thread Length
1.188 inches
Step Quantity
2
Largest Step Diameter
0.498 inches
Surface Finish
125.0 microinches
Material
Steel
Fsc Application Data
Landing gear aircraft t-2b
NSN
3040-00-612-4759
Part Number
249-33749
Description
Shaft,shouldered
CAGE
89372

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 249-33749 NSN 3040-00-612-4759

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

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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