1800903 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1800903: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 0.7500 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-228-4963, 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

1800903

NSN: 3020-01-228-4963
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	STEEL OVERALL
body_style	PLAIN, SOLID
bore_style	PLAIN BOTH ENDS
tooth_form	STANDARD
pitch_diameter	0.7500 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
teeth_quantity	15
style_designator	PROTRUDING HUB
attachment_method	MOUNTING HOLE
bore_nominal_depth	0.937 INCHES BOTH ENDS IN
face_nominal_width	0.500 INCHES IN
hub_nominal_diameter	0.609 INCHES FIRST END IN
NSN	3020-01-228-4963

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.375 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 0.609 INCHES FIRST END IN

•

TEETH QUANTITY: 15

•

BODY STYLE: PLAIN, SOLID

•

BORE STYLE: PLAIN BOTH ENDS

•

MOUNTING HOLE TYPE AND QUANTITY: 1 THREADED TRANSVERSELY THROUGH HUB FIRST END

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.437 INCHES FIRST END IN

•

NOMINAL OVERALL LENGTH: 0.937 INCHES IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.375 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	0.609 INCHES FIRST END IN
TEETH QUANTITY	15
BODY STYLE	PLAIN, SOLID
BORE STYLE	PLAIN BOTH ENDS
MOUNTING HOLE TYPE AND QUANTITY	1 THREADED TRANSVERSELY THROUGH HUB FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.437 INCHES FIRST END IN
NOMINAL OVERALL LENGTH	0.937 INCHES IN
STYLE DESIGNATOR	PROTRUDING HUB
BORE NOMINAL DEPTH	0.937 INCHES BOTH ENDS 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.

3020-00-000-0091 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

YA-15Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 1800903?

1800903 is a GEAR,SPUR.

What parts can replace 1800903?

There is 1 known substitute for 1800903: YA-15. Substitute compatibility should be verified for your specific system.

What is the NSN for 1800903?

1800903 is cataloged in the U.S. Government catalog under NSN 3020-01-228-4963. This indicates validated use in U.S. government and defense supply chains.

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1800903 — GEAR,SPUR

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