NSN 3020-00-251-0879

Helical Gear

FSC: 3020 NIIN: 002510879

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Product Characteristics

NSN:

3020002510879

Demilitarization:

INC:

05464

Shelf Life:

N/A

Body Style:

Plain, solid

Pitch Diameter:

3.3622 inches

Teeth Quantity:

Bore Style:

W/ keyway both ends

Hardness Rating:

21.0 rockwell c and 25.0 rockwell c

Outside Diameter:

3.5622 inches

Nominallength:

1.359 inches

Teeth Type:

Single helix

Tooth Form:

Standard

Tooth Direction:

Right

Pressure Angle:

14.5000 degrees

Helix Angle:

26.8333 degrees

Distance Between Body Face And Protruding Hub End:

0.140 inches first end

Face Width:

1.219 inches

Bore Diameter:

1.999 inches both ends

Keyway Width:

0.312 inches both ends

Distance From Bore Center To Keyway Bottom:

1.166 inches both ends

Hub Style Designator:

Plain first end

Hub Diameter:

2.875 inches first end

Special Features:

Timing mark at center line of tooth spaced 42 degrees 14 min from center line of keyway, 2 puller holes 3/8-16 unc 2b thd, 9/16 in. Deep on 2-9/16 in. Diameter bolt circle

Material:

Steel comp 1137

Material Specification:

66 federal standard single material response and aisi/sae 1137 assn standard single material response

Style Designator:

Protruding hub

Part Numbers

DA6157
NORFOLK NAVAL SHIPYARD

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

NORFOLK NAVAL SHIPYARD - 81601