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FSC 3020 | Transmission Chain Sprockets Pulleys Gears
1271462-1

Model: 1271462-1

Helical Gear

Properties:

Body Style

Webbed, solid

Attachment Method

Mounting hole

Pitch Diameter

Between 13.8491 inches and 13.8511 inches

Teeth Quantity

153

Bore Style

Tapered second end

Mounting Hole Thread Series Designator

Unc axially through body, first end

Hardness Rating

48.0 rockwell c teeth and 54.0 rockwell c teeth

Mounting Hole Thread Size

0.375 inches axially through body, first end

Mounting Hole Type And Quantity

6 counterbored axially through body, first end and 4 plain axially through body, first end and 4 threaded axially through body, first end

Outside Diameter

14.015 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Left

Pressure Angle

20.0000 degrees

Helix Angle

23.0000 degrees

Distance Between Body Face And Protruding Hub End

0.223 inches second end

Distance Between Body Face And Protruding Hub End

0.264 inches first end

Face Width

1.005 inches

Taper Major Diameter

4.501 inches second end

Hub Style Designator

1 step first end

Hub Style Designator

Plain second end

Hub Diameter

5.625 inches second end

End Length

0.171 inches first end

End Diameter

4.875 inches first end

First Step Length

0.093 inches first end

First Step Diameter

7.500 inches first end

Mounting Hole Diameter

0.270 inches axially through body, first end and 0.563 inches axially through body, first end

Bolt Hole Circle Diameter

6.625 inches axially through body, first end and 11.500 inches axially through body, first end and 5.062 inches axially through body, first end

Material

Steel comp 4340

Material Specification

Qq-s-624 federal specification single material response

Style Designator

Protruding hubs

NSN

3020-00-706-2172

Part Number

1271462-1

Description

Gear,helical

CAGE

55972

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 1271462-1 NSN 3020-00-706-2172

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:

24.0000lbs

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