493270 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

493270: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, body_style: PLAIN, SOLID, tooth_form: STANDARD, pitch_diameter: 1.2500 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES, teeth_quantity: 20. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-245-7643, 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

493270

NSN: 3020-00-245-7643
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
body_style	PLAIN, SOLID
tooth_form	STANDARD
pitch_diameter	1.2500 INCHES NOMINAL IN
pressure_angle	14.5000 DEGREES
teeth_quantity	20
style_designator	PROTRUDING HUB
attachment_method	MOUNTING HOLE
face_nominal_width	0.188 INCHES IN
hub_nominal_diameter	0.500 INCHES FIRST END IN
bore_nominal_diameter	0.250 INCHES BOTH ENDS IN
nominal_overall_length	0.469 INCHES IN
NSN	3020-00-245-7643

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.250 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 0.500 INCHES FIRST END IN

•

TEETH QUANTITY: 20

•

BODY STYLE: PLAIN, SOLID

•

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

•

NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.281 INCHES FIRST END IN

•

NOMINAL OVERALL LENGTH: 0.469 INCHES IN

•

STYLE DESIGNATOR: PROTRUDING HUB

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.250 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	0.500 INCHES FIRST END IN
TEETH QUANTITY	20
BODY STYLE	PLAIN, SOLID
MOUNTING HOLE TYPE AND QUANTITY	1 THREADED TRANSVERSELY THROUGH HUB FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.281 INCHES FIRST END IN
NOMINAL OVERALL LENGTH	0.469 INCHES IN
STYLE DESIGNATOR	PROTRUDING HUB
PITCH DIAMETER	1.2500 INCHES NOMINAL IN
TOOTH FORM	STANDARD

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 2

ES682513-21Reference document

Same NSN cross-reference

Reference document — Secondary reference

ESO682513-21Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 493270?

493270 is a GEAR,SPUR.

What parts can replace 493270?

There are 2 known substitutes for 493270: ES682513-21, ESO682513-21. Substitute compatibility should be verified for your specific system.

What is the NSN for 493270?

493270 is cataloged in the U.S. Government catalog under NSN 3020-00-245-7643. This indicates validated use in U.S. government and defense supply chains.

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493270 — GEAR,SPUR

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