82403B — GEAR,HELICAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

82403B: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, body_style: PLAIN, SOLID, bore_style: W/ KEYWAY BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 33.1172 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-251-0895, 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

82403B

NSN: 3020-00-251-0895
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)

SPECIFICATIONS

material	STEEL COMP 4140 OVERALL
body_style	PLAIN, SOLID
bore_style	W/ KEYWAY BOTH ENDS
teeth_type	SINGLE HELIX
tooth_form	STANDARD
helix_angle	33.1172 DEGREES
pitch_diameter	2.8654 INCHES NOMINAL IN
pressure_angle	14.5000 DEGREES
teeth_quantity	24
hardness_rating	24.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL
tooth_direction	RIGHT
style_designator	HUBLESS
NSN	3020-00-251-0895

COMPONENT DIAGRAM

KEY FEATURES

•

KEYWAY NOMINAL WIDTH: 0.252 INCHES BOTH ENDS IN

•

BORE NOMINAL DIAMETER: 1.375 INCHES BOTH ENDS IN

•

HELIX ANGLE: 33.1172 DEGREES

•

TEETH QUANTITY: 24

•

BODY STYLE: PLAIN, SOLID

•

TOOTH DIRECTION: RIGHT

•

BORE STYLE: W/ KEYWAY BOTH ENDS

•

TEETH TYPE: SINGLE HELIX

TECHNICAL CHARACTERISTICS

KEYWAY NOMINAL WIDTH	0.252 INCHES BOTH ENDS IN
BORE NOMINAL DIAMETER	1.375 INCHES BOTH ENDS IN
HELIX ANGLE	33.1172 DEGREES
TEETH QUANTITY	24
BODY STYLE	PLAIN, SOLID
TOOTH DIRECTION	RIGHT
BORE STYLE	W/ KEYWAY BOTH ENDS
TEETH TYPE	SINGLE HELIX
HARDNESS RATING	24.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR	HUBLESS

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

82401DSPC3Reference 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 82403B?

82403B is a GEAR,HELICAL.

What parts can replace 82403B?

There is 1 known substitute for 82403B: 82401DSPC3. Substitute compatibility should be verified for your specific system.

What is the NSN for 82403B?

82403B is cataloged in the U.S. Government catalog under NSN 3020-00-251-0895. This indicates validated use in U.S. government and defense supply chains.

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82403B — GEAR,HELICAL

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