NSN 3020-00-517-2925

Helical Gear

FSC: 3020 NIIN: 005172925

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Product Characteristics

NSN:

3020005172925

Demilitarization:

INC:

05464

Shelf Life:

N/A

Body Style:

Webbed, offset, solid

Pitch Diameter:

18.1500 inches

Teeth Quantity:

121

Bore Style:

Tapered w/keyway first end

Features Provided:

Tapered keyway

Outside Diameter:

18.4360 inches

Teeth Type:

Single helix

Tooth Form:

Standard

Tooth Direction:

Left

Pressure Angle:

14.5000 degrees

Helix Angle:

17.7498 degrees

Distance Between Body Face And Protruding Hub End:

1.313 inches first end

Distance Between Body Face And Recessed Hub End:

1.1875 inches second end

Face Width:

2.9999 inches

Keyway Width:

0.6260 inches first end

Distance From Bore Center To Keyway Bottom:

1.4453 inches first end

Taper Major Diameter:

2.2505 inches first end

Hub Style Designator:

Plain both ends

Hub Diameter:

5.0000 inches both ends

Material:

Steel

Material Specification:

Mil-s-890, alloy no. 1 military specification single material response

Style Designator:

One protruding hub, one recessed hub

Part Numbers

185773B396
DRESSER-RAND COMPANY
189128A396
DRESSER-RAND COMPANY

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

DRESSER-RAND COMPANY - 0AT62