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FSG 30 | Mechanical Power Transmission Equipment
FSC 3040 | Miscellaneous Power Transmission Equipment
B831-7120-13

Model: B831-7120-13

Shouldered Shaft

Special Features:

Large 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

Largest Step Diameter

3.000 inches

Surface Finish

16.0 microinches

Part Name Assigned By Controlling Agency

Shaft right 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

3040-01-503-4577

Part Number

B831-7120-13

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 B831-7120-13 NSN 3040-01-503-4577

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22914

FIIG:

A23200

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

126900

UFC:

65750

LTL:

RATING VARIABLE

LCL:

WCC:

593

TCC:

SHC:

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