Model: 66923-78-A

Shouldered Shaft

Properties:

First End Style
Woodruff keyway
End Similarity
Not identical
Second End Style
Externally threaded and flat keyway
Overall Length
12.469 inches
First End Keyway Width
Between 0.2480 inches and 0.2500 inches
First End External Keyway Length
1.000 inches
First End Distance From Keyway Center To End
0.656 inches
First End Diameter
Between 1.2495 inches and 1.2500 inches
Second End Keyway Width
0.1880 inches
Second End Keyway Depth
0.094 inches
Second End Diameter
0.9690 inches
Second End External Thread Length
0.500 inches
Step Quantity
11
Largest Step Diameter
2.000 inches
Surface Finish
15.0 microinches
Material
Steel
Material Specification
Mil-s-890 military specification single material response
NSN
3040-01-212-8736
Part Number
66923-78-A
Description
Shaft,shouldered
CAGE
50380

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 66923-78-A NSN 3040-01-212-8736

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
5.5000lbs
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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