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FSC 3020 | Transmission Chain Sprockets Pulleys Gears
3237747

Model: 3237747

Helical Gear

Special Features:

Figure o stamped on side of gear face on center line of tooth space on upper vertical ctr line

Properties:

Body Style

Webbed, offset, solid

Attachment Method

Mounting hole

Pitch Diameter

8.6250 inches

Teeth Quantity

Bore Style

W/counterbore counterbore, first end

Mounting Hole Thread Series Designator

Unf axially through hub, first end

Hardness Rating

10.0 rockwell c and 13.0 rockwell c

Mounting Hole Thread Size

0.375 inches axially through hub, first end

Mounting Hole Type And Quantity

4 plain axially through hub, first end and 4 threaded axially through hub, first end

Outside Diameter

8.874 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Right

Pressure Angle

14.5000 degrees

Helix Angle

25.8167 degrees

Distance Between Body Face And Protruding Hub End

0.188 inches first end

Body Recess Depth

1.000 inches second end

Face Width

1.250 inches

Bore Diameter

4.375 inches counterbore, first end

Counterbore Depth

0.188 inches counterbore, first end

Counterbore Diameter

6.252 inches counterbore, first end

Hub Style Designator

Plain first end

Hub Diameter

6.750 inches first end

Mounting Hole Diameter

0.500 inches axially through hub, first end

Material

Steel

Material Specification

Mil-s-890, class b military specification single material response

Style Designator

Protruding hub, recessed body

NSN

3020-00-391-0923

Part Number

3237747

Description

Gear,helical

CAGE

55380

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 3237747 NSN 3020-00-391-0923

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:

10.0000lbs

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