Model: 025557-1

Shouldered Shaft

Special Features:

Threads are 1/2-20unf-2a

Properties:

First End Style
Splined (involute)
End Similarity
Not identical
Second End Style
Circular grooved and externally threaded
Second End Groove Width
0.1000 inches
Second End Groove Diameter
0.4320 inches
Overall Length
2.7900 inches
First End Diameter
0.7400 inches
First End Spline Length
1.7900 inches
First End Spline Minor Diameter
0.5080 inches
First End Spline Major Diameter
0.5902 inches
First End Pressure Angle
30.0 degrees
First End Pitch Diameter
0.5625 inches
Second End Distance From End To Groove
0.6090 inches
Second End Diameter
0.2500 inches
Second End External Thread Length
0.6090 inches
Step Quantity
4
First End Spline Quantity
18
Largest Step Diameter
0.7400 inches
Surface Finish
125.0 microinches
Material
Steel comp 4140
NSN
3040-01-383-5736
Part Number
025557-1
Description
Shaft,shouldered
CAGE
62228

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 025557-1 NSN 3040-01-383-5736

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:
SX
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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