1812860 — GEAR,ANTIBACKLASH,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1812860: GEAR,ANTIBACKLASH,SPUR.

The GEAR,ANTIBACKLASH,SPUR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 SECOND GEAR, bore_style: PLAIN BOTH ENDS, pitch_diameter: 2.0313 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 130, special_features: MODIFIED FROM STERLING INSTRUMENT P/N S9706A-Z6E130AP WITH PRELOAD AT 6 TEETH AND .0634 DIA. HOLE AND BORE AS SPECIFIED.

This part is cataloged in the U.S. Government catalog under NSN 3020-01-486-6752, 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

1812860

NSN: 3020-01-486-6752
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2024 SECOND GEAR
bore_style	PLAIN BOTH ENDS
pitch_diameter	2.0313 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	130
special_features	MODIFIED FROM STERLING INSTRUMENT P/N S9706A-Z6E130AP WITH PRELOAD AT 6 TEETH AND .0634 DIA. HOLE AND BORE AS SPECIFIED
style_designator	PROTRUDING HUB
surface_treatment	ANODIZE OVERALL
face_nominal_width	0.104 INCHES IN
hub_nominal_diameter	0.437 INCHES FIRST END IN
hub_style_designator	PLAIN FIRST END
bore_nominal_diameter	0.250 INCHES BOTH ENDS IN
NSN	3020-01-486-6752

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.250 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 0.437 INCHES FIRST END IN

•

TEETH QUANTITY: 130

•

BORE STYLE: PLAIN BOTH ENDS

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.325 INCHES FIRST END IN

•

STYLE DESIGNATOR: PROTRUDING HUB

•

PITCH DIAMETER: 2.0313 INCHES NOMINAL IN

•

HUB STYLE DESIGNATOR: PLAIN FIRST END

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.250 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	0.437 INCHES FIRST END IN
TEETH QUANTITY	130
BORE STYLE	PLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.325 INCHES FIRST END IN
STYLE DESIGNATOR	PROTRUDING HUB
PITCH DIAMETER	2.0313 INCHES NOMINAL IN
HUB STYLE DESIGNATOR	PLAIN FIRST END
NOMINAL OUTSIDE DIAMETER	2.063 INCHES IN
SPECIAL FEATURES	MODIFIED FROM STERLING INSTRUMENT P/N S9706A-Z6E130AP WITH PRELOAD AT 6 TEETH AND .0634 DIA. HOLE AND BORE AS SPECIFIED

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

1981509 PC 15Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 1812860?

1812860 is a GEAR,ANTIBACKLASH,SPUR.

What parts can replace 1812860?

There is 1 known substitute for 1812860: 1981509 PC 15. Substitute compatibility should be verified for your specific system.

What is the NSN for 1812860?

1812860 is cataloged in the U.S. Government catalog under NSN 3020-01-486-6752. This indicates validated use in U.S. government and defense supply chains.

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1812860 — GEAR,ANTIBACKLASH,SPUR

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