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5138930 — GEAR,HELICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

5138930: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, body_style: WEBBED, SOLID, teeth_type: SINGLE HELIX, tooth_form: STANDARD, pitch_diameter: 8.9615 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-080-5914, 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
5138930
NSN: 3020-00-080-5914
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
materialIRON OVERALL
body_styleWEBBED, SOLID
teeth_typeSINGLE HELIX
tooth_formSTANDARD
pitch_diameter8.9615 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity68
tooth_directionRIGHT
style_designatorFLUSH HUB
attachment_methodMOUNTING HOLE
face_nominal_width0.196 INCHES IN
hub_nominal_diameter5.500 INCHES FIRST END IN
NSN3020-00-080-5914
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,HELICAL TITLE COMPONENT PN 5138930 MFR GEAR,HELICAL
KEY FEATURES
•
HUB NOMINAL DIAMETER: 5.500 INCHES FIRST END IN
•
TEETH QUANTITY: 68
•
BODY STYLE: WEBBED, SOLID
•
TOOTH DIRECTION: RIGHT
•
TEETH TYPE: SINGLE HELIX
•
STYLE DESIGNATOR: FLUSH HUB
•
PITCH DIAMETER: 8.9615 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HUB NOMINAL DIAMETER5.500 INCHES FIRST END IN
HUB NOMINAL DIAMETER5.500 INCHES SECOND END IN
TEETH QUANTITY68
BODY STYLEWEBBED, SOLID
TOOTH DIRECTIONRIGHT
TEETH TYPESINGLE HELIX
STYLE DESIGNATORFLUSH HUB
PITCH DIAMETER8.9615 INCHES NOMINAL IN
TOOTH FORMSTANDARD
HUB STYLE DESIGNATORPLAIN BOTH ENDS
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.
3020-00-001-2090 3020-00-001-4468 3020-00-007-2779 3020-00-009-4033 3020-00-031-2269 3020-00-146-4181 3020-00-146-4222 3020-00-425-7115
SUBSTITUTES & CROSS-REFERENCES 1
3020PL0943386Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 5138930?
5138930 is a GEAR,HELICAL.
What parts can replace 5138930?
There is 1 known substitute for 5138930: 3020PL0943386. Substitute compatibility should be verified for your specific system.
What is the NSN for 5138930?
5138930 is cataloged in the U.S. Government catalog under NSN 3020-00-080-5914. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.