Model: B831-7120-9

Shouldered Shaft

Special Features:

Largest end has internal spine shaft.

Properties:

First End Style
Externally threaded and flat keyway
End Similarity
Not identical
Second End Style
Plain
Overall Length
11.130 inches
End Application
Seawolf class submarine ssn 23
First End Keyway Width
0.1560 inches
First End External Keyway Length
1.380 inches
First End Keyway Depth
0.095 inches
First End Diameter
0.7500 inches
First End External Thread Length
1.930 inches
Second End Diameter
1.7500 inches
Step Quantity
6
Largest Step Diameter
3.000 inches
Surface Finish
16.0 microinches
Part Name Assigned By Controlling Agency
Shaft left hand
Material
Stainless steel
Material Specification
Astm-a564, ty-630, cond-h1100 national specification single material response and astm-a484 national specification single material response
NSN
3040-01-503-4581
Part Number
B831-7120-9
Description
Shaft,shouldered
CAGE
96169

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 B831-7120-9 NSN 3040-01-503-4581

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:
A
ESD:
A
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:
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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