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FSC 3020 | Transmission Chain Sprockets Pulleys Gears
331207

Model: 331207

Helical Gear

Properties:

Body Style

Webbed, offset, solid

Attachment Method

Mounting hole

Pitch Diameter

11.8430 inches

Teeth Quantity

Bore Style

Tapered w/keyway both ends

Mounting Hole Thread Series Designator

Unc axially through body, first end

Hardness Rating

310.0 brinell standard and 350.0 brinell standard

Mounting Hole Thread Size

0.190 inches axially through body, first end

Mounting Hole Type And Quantity

2 threaded axially through body, first end

Outside Diameter

12.0610 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Right

Pressure Angle

20.0000 degrees

Helix Angle

30.0483 degrees

Distance Between Body Face And Protruding Hub End

0.500 inches first end

Body Recess Depth

0.875 inches second end

Face Width

2.750 inches

Keyway Width

0.500 inches both ends

Distance From Bore Center To Keyway Bottom

1.387 inches both ends

Taper Major Diameter

2.243 inches both ends

Hub Style Designator

1 step first end

End Length

0.375 inches first end

End Diameter

2.750 inches first end

First Step Length

0.125 inches first end

First Step Diameter

4.125 inches first end

Bolt Hole Circle Diameter

6.750 inches axially through body, first end

Material

Steel comp 4340

Material Specification

Mil-s-19434, class 5 military specification single material response

Style Designator

Protruding hub, recessed body

NSN

3020-00-434-6474

Part Number

331207

Description

Gear,helical

CAGE

21444

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part 331207 NSN 3020-00-434-6474

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05464

FIIG:

A27300

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:

52.0000lbs

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:

197339

UFC:

96710

LTL:

65.0

LCL:

WCC:

593

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8483409000
SITC: 74840
End Use: Industrial machines, other
NAICS: 333612
USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately