5122920 — GEAR,HELICAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

5122920: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: WEBBED, SOLID, bore_style: PLAIN BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 17.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-441-5958, 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

5122920

NSN: 3020-00-441-5958
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)

SPECIFICATIONS

material	STEEL OVERALL
body_style	WEBBED, SOLID
bore_style	PLAIN BOTH ENDS
teeth_type	SINGLE HELIX
tooth_form	STANDARD
helix_angle	17.0000 DEGREES
pitch_diameter	4.1250 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	40
tooth_direction	LEFT
special_features	END ITEM IS DIESEL ENGINE,GENERAL MOTORS CORP,SERIES 71
style_designator	PROTRUDING HUBS
NSN	3020-00-441-5958

COMPONENT DIAGRAM

KEY FEATURES

•

FURNISHED ITEMS AND QUANTITY: 1 EXTERNALLY LUBRICATED BEARING

•

BORE NOMINAL DIAMETER: 1.8750 INCHES BOTH ENDS IN

•

HELIX ANGLE: 17.0000 DEGREES

•

HUB NOMINAL DIAMETER: 2.500 INCHES SECOND END IN

•

TEETH QUANTITY: 40

•

BODY STYLE: WEBBED, SOLID

•

TOOTH DIRECTION: LEFT

TECHNICAL CHARACTERISTICS

FURNISHED ITEMS AND QUANTITY	1 EXTERNALLY LUBRICATED BEARING
BORE NOMINAL DIAMETER	1.8750 INCHES BOTH ENDS IN
HELIX ANGLE	17.0000 DEGREES
HUB NOMINAL DIAMETER	2.500 INCHES SECOND END IN
HUB NOMINAL DIAMETER	4.812 INCHES FIRST END IN
TEETH QUANTITY	40
BODY STYLE	WEBBED, SOLID
TOOTH DIRECTION	LEFT
BORE STYLE	PLAIN BOTH ENDS
MOUNTING HOLE TYPE AND QUANTITY	3 THREADED AXIALLY THROUGH FLANGE

OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072

SUBSTITUTES & CROSS-REFERENCES 3

3020004415958Reference document

Same NSN cross-reference

Reference document — Secondary reference

016643TSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

PC5122920Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 5122920?

5122920 is a GEAR,HELICAL.

What parts can replace 5122920?

There are 3 known substitutes for 5122920: 3020004415958, 016643T, PC5122920. Substitute compatibility should be verified for your specific system.

What is the NSN for 5122920?

5122920 is cataloged in the U.S. Government catalog under NSN 3020-00-441-5958. This indicates validated use in U.S. government and defense supply chains.

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5122920 — GEAR,HELICAL

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