Model: SM-D-504421

Shouldered Shaft

Special Features:

Both ends flatted, 1st end 0.188 in.Across flats, 2nd end 0.220 in.Across flats

Properties:

First End Style
Two circular grooves
First End Groove Width
0.0300 inches
First End Groove Diameter
0.1750 inches
End Similarity
Not identical
Second End Style
Cross drilled hole and slotted
Overall Length
1.908 inches
Second End Slot Width
0.01130 inches
First End Distance From End To Groove
0.0200 inches
First End Diameter
0.1875 inches
First End Distance Between First And Second Groove Centers
0.0720 inches
Second End Diameter
0.2496 inches
Second End Slot Depth
0.1875 inches
Second End Hole Diameter
0.0550 inches
Second End Distance From Hole Center To End
0.0830 inches
Second End Hole Depth
0.2200 inches
Step Quantity
3
Largest Step Diameter
0.250 inches
Surface Finish
16.0 microinches
Material
Steel comp 303
Material Specification
Qq-s-763 federal specification single material response
NSN
3040-00-757-2794
Part Number
SM-D-504421
Description
Shaft,shouldered
CAGE
80063

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 SM-D-504421 NSN 3040-00-757-2794

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:
65.0
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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