NSN 3020-00-853-1937

Helical Gear

FSC: 3020 NIIN: 008531937

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Product Characteristics

NSN:

3020008531937

Demilitarization:

INC:

05464

Shelf Life:

N/A

Body Style:

Plain, solid

Spline Quantity:

15 both ends

Pitch Diameter:

2.0746 inches

Teeth Quantity:

Bore Style:

Involute spline both ends

Spline Pitch Diameter:

1.2500 inches both ends

Hardness Rating:

59.0 rockwell c and 64.0 rockwell c

Outside Diameter:

2.323 inches

Teeth Type:

Single helix

Tooth Form:

Standard

Tooth Direction:

Right

Pressure Angle:

20.0000 degrees

Helix Angle:

15.4082 degrees

Distance Between Body Face And Protruding Hub End:

1.063 inches first end

Face Width:

1.500 inches

Bore Diameter:

1.333 inches both ends

Hub Style Designator:

Plain second end

Hub Diameter:

1.688 inches second end

First Groove Width:

0.093 inches first end

First Groove Diameter:

1.529 inches first end

Distance From End To First Groove:

0.137 inches first end

Special Features:

Counterbore first end, dia. 1.500 in. , depth 0.415 in.

Material:

Steel comp 8617h

Material Specification:

66 federal standard single material response

Surface Treatment:

Zinc

Style Designator:

Protruding hubs

Part Numbers

4H7953
CATERPILLAR INC.
IPD4H7953
INDUSTRIAL PARTS DEPOT, LLC

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8483409000 - Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately.

Professional Distribution

ITAR Registered
DDTC Registered
HAZMAT Certified
AS9120 Quality Standards
100% Quality Inspections

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Cage Codes

CATERPILLAR INC. - 11083

INDUSTRIAL PARTS DEPOT, LLC - 55883