87979-A02T-43 — GEAR,HELICAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

87979-A02T-43: GEAR,HELICAL.

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: WEBBED, SOLID, bore_style: INVOLUTE SPLINE BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: SPECIAL, helix_angle: 25.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-082-6538, 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

87979-A02T-43

NSN: 3020-01-082-6538
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 59556 — KOVATCH CORP. (USA)

SPECIFICATIONS

material	STEEL OVERALL
body_style	WEBBED, SOLID
bore_style	INVOLUTE SPLINE BOTH ENDS
teeth_type	SINGLE HELIX
tooth_form	SPECIAL
helix_angle	25.0000 DEGREES
pitch_diameter	6.5000 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	31
spline_quantity	41 BOTH ENDS
tooth_direction	RIGHT
special_features	COUNTERBORE SECOND END,DIA. 2.125 IN. NOMINAL,DEPTH 0.625 IN. NOMINAL IN
NSN	3020-01-082-6538

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 2.100 INCHES BOTH ENDS IN

•

HELIX ANGLE: 25.0000 DEGREES

•

HUB NOMINAL DIAMETER: 2.844 INCHES SECOND END IN

•

NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END: 0.156 INCHES SECOND END IN

•

TEETH QUANTITY: 31

•

BODY STYLE: WEBBED, SOLID

•

TOOTH DIRECTION: RIGHT

•

BORE STYLE: INVOLUTE SPLINE BOTH ENDS

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	2.100 INCHES BOTH ENDS IN
HELIX ANGLE	25.0000 DEGREES
HUB NOMINAL DIAMETER	2.844 INCHES SECOND END IN
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END	0.156 INCHES SECOND END IN
TEETH QUANTITY	31
BODY STYLE	WEBBED, SOLID
TOOTH DIRECTION	RIGHT
BORE STYLE	INVOLUTE SPLINE BOTH ENDS
TEETH TYPE	SINGLE HELIX
STYLE DESIGNATOR	ONE FLUSH HUB, ONE RECESSED HUB

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 1

3892-S-3945Reference document

Same NSN cross-reference

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

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 87979-A02T-43?

87979-A02T-43 is a GEAR,HELICAL.

What parts can replace 87979-A02T-43?

There is 1 known substitute for 87979-A02T-43: 3892-S-3945. Substitute compatibility should be verified for your specific system.

What is the NSN for 87979-A02T-43?

87979-A02T-43 is cataloged in the U.S. Government catalog under NSN 3020-01-082-6538. This indicates validated use in U.S. government and defense supply chains.

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87979-A02T-43 — GEAR,HELICAL

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