8399104 — GEAR,HELICAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

8399104: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1022 OVERALL, body_style: PLAIN, SOLID, bore_style: W/ KEYWAY BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 45.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-251-0898, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

8399104

NSN: 3020-00-251-0898
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL COMP 1022 OVERALL
body_style	PLAIN, SOLID
bore_style	W/ KEYWAY BOTH ENDS
teeth_type	SINGLE HELIX
tooth_form	STANDARD
helix_angle	45.0000 DEGREES
pitch_diameter	1.0460 INCHES NOMINAL IN
pressure_angle	14.5000 DEGREES
teeth_quantity	12
hardness_rating	58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
tooth_direction	LEFT
style_designator	PROTRUDING HUB
NSN	3020-00-251-0898

COMPONENT DIAGRAM

KEY FEATURES

•

KEYWAY NOMINAL WIDTH: 0.095 INCHES BOTH ENDS IN

•

BORE NOMINAL DIAMETER: 0.472 INCHES BOTH ENDS IN

•

HELIX ANGLE: 45.0000 DEGREES

•

HUB NOMINAL DIAMETER: 0.875 INCHES FIRST END IN

•

TEETH QUANTITY: 12

•

BODY STYLE: PLAIN, SOLID

•

TOOTH DIRECTION: LEFT

•

BORE STYLE: W/ KEYWAY BOTH ENDS

TECHNICAL CHARACTERISTICS

KEYWAY NOMINAL WIDTH	0.095 INCHES BOTH ENDS IN
BORE NOMINAL DIAMETER	0.472 INCHES BOTH ENDS IN
HELIX ANGLE	45.0000 DEGREES
HUB NOMINAL DIAMETER	0.875 INCHES FIRST END IN
TEETH QUANTITY	12
BODY STYLE	PLAIN, SOLID
TOOTH DIRECTION	LEFT
BORE STYLE	W/ KEYWAY BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.234 INCHES FIRST END IN
TEETH TYPE	SINGLE HELIX

SUBSTITUTES & CROSS-REFERENCES 5

3H4581AU20Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

2UU01437Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

8PG17Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

15788ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

G2335Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 8399104?

8399104 is a GEAR,HELICAL.

What parts can replace 8399104?

There are 5 known substitutes for 8399104: 3H4581AU20, 2UU01437, 8PG17 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 8399104?

8399104 is cataloged in the U.S. Government catalog under NSN 3020-00-251-0898. This indicates validated use in U.S. government and defense supply chains.

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8399104 — GEAR,HELICAL

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