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FSC 3020 | Transmission Chain Sprockets Pulleys Gears
031C975-4

Model: 031C975-4

Worm Wheel Gear

Properties:

Body Style

Plain, solid

Attachment Method

Mounting hole

Pitch Diameter

1.8750 inches

Teeth Quantity

Face Type

Concave

Bore Style

W/counterbore counter bore, second end

Mounting Hole Thread Series Designator

Unc axially through hub, first end

Mounting Hole Thread Series Designator

Unc axially through hub, second end

Mounting Hole Thread Size

0.190 inches axially through hub, first end

Mounting Hole Thread Size

0.190 inches axially through hub, second end

Mounting Hole Type And Quantity

4 threaded axially through hub, second end

Mounting Hole Type And Quantity

6 threaded axially through hub, first end

Outside Diameter

0.043 inches

Tooth Direction

Right

Mating Thread Lead Quantity

Pressure Angle

20.0000 degrees

Helix Angle

21.7998 degrees

Distance Between Body Face And Protruding Hub End

1.094 inches second end

Distance Between Body Face And Protruding Hub End

1.341 inches first end

Face Width

0.125 inches

Bore Diameter

0.623 inches counter bore, second end

Counterbore Depth

0.388 inches counter bore, second end

Counterbore Diameter

1.260 inches counter bore, second end

Hub Style Designator

1 step second end

Hub Style Designator

3 steps first end

End Length

0.281 inches first end

End Length

0.624 inches second end

End Diameter

1.566 inches first end

End Diameter

1.969 inches second end

First Step Length

0.185 inches second end

First Step Length

0.625 inches first end

First Step Diameter

1.575 inches first end

First Step Diameter

2.211 inches second end

Second Step Length

0.188 inches first end

Second Step Diameter

1.813 inches first end

Third Step Length

0.266 inches first end

Third Step Diameter

1.625 inches first end

Material

Copper alloy

Style Designator

Protruding hubs

NSN

3020-00-088-4593

Part Number

031C975-4

Description

Gear,worm Wheel

CAGE

95210

A gear, cylindrical in form, with spiral teeth designed to mesh with the thread forms of a gear (1), worm. See also gear, antibacklash, worm wheel.

Part 031C975-4 NSN 3020-00-088-4593

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05468

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:

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:

197337

UFC:

96690

LTL:

RATING VARIABLE

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