47839B — GEAR,HELICAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

47839B: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include bore_style: PLAIN BOTH ENDS, teeth_quantity: 24, style_designator: HUBLESS, face_nominal_width: 0.500 INCHES IN, bore_nominal_diameter: 1.8750 INCHES BOTH ENDS IN, nominal_outside_diameter: 3.2500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-646-6970, 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

47839B

NSN: 3020-00-646-6970
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)

SPECIFICATIONS

bore_style	PLAIN BOTH ENDS
teeth_quantity	24
style_designator	HUBLESS
face_nominal_width	0.500 INCHES IN
bore_nominal_diameter	1.8750 INCHES BOTH ENDS IN
nominal_outside_diameter	3.2500 INCHES IN
NSN	3020-00-646-6970

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 1.8750 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 24

•

BORE STYLE: PLAIN BOTH ENDS

•

STYLE DESIGNATOR: HUBLESS

•

NOMINAL OUTSIDE DIAMETER: 3.2500 INCHES IN

•

FACE NOMINAL WIDTH: 0.500 INCHES IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	1.8750 INCHES BOTH ENDS IN
TEETH QUANTITY	24
BORE STYLE	PLAIN BOTH ENDS
STYLE DESIGNATOR	HUBLESS
NOMINAL OUTSIDE DIAMETER	3.2500 INCHES IN
FACE NOMINAL WIDTH	0.500 INCHES IN

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

205MFK1Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 47839B?

47839B is a GEAR,HELICAL.

What parts can replace 47839B?

There is 1 known substitute for 47839B: 205MFK1. Substitute compatibility should be verified for your specific system.

What is the NSN for 47839B?

47839B is cataloged in the U.S. Government catalog under NSN 3020-00-646-6970. This indicates validated use in U.S. government and defense supply chains.

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47839B — GEAR,HELICAL

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