Model: 7979030

Shouldered Shaft

Special Features:

Second end has one additional shallow flat keyway loc on top of dp keyway, 0.188/0.189 in. Keyway w, 1.750 in. Ext keyway lg, 0.097 in. Keyway dp

Properties:

First End Style
Unthreaded cross drilled
End Similarity
Not identical
Second End Style
Circular grooved and flat keyway
Second End Groove Width
Between 0.0460 inches and 0.0490 inches
Second End Groove Diameter
Between 0.7590 inches and 0.7650 inches
Overall Length
Between 21.907 inches and 21.969 inches
First End Diameter
Between 0.9980 inches and 1.0000 inches
First End Hole Diameter
Between 0.3910 inches and 0.4060 inches
First End Distance From Hole Center To End
Between 1.094 inches and 1.156 inches
Second End Distance From End To Groove
Between 0.133 inches and 0.149 inches
Second End Keyway Width
Between 0.1350 inches and 0.1400 inches
Second End External Keyway Length
5.062 inches
Second End Keyway Depth
0.221 inches
Second End Diameter
Between 0.8110 inches and 0.8130 inches
Step Quantity
2
Largest Step Diameter
Between 0.998 inches and 1.000 inches
Surface Finish
63.0 microinches
Material
Steel comp 1035 or steel comp 1038 or steel comp 1040 or steel comp 1041 or steel comp 1042 or steel comp 1043 or steel comp 1045 or steel comp 1137 or steel comp 1139 or steel comp 1140 or steel comp 1141 or steel comp 1144
Material Specification
Qq-s-633 federal specification all material responses
NSN
3040-01-125-0432
Part Number
7979030
Description
Shaft,shouldered
CAGE
19207

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 7979030 NSN 3040-01-125-0432

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:
4.8000lbs
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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