1787303 — GEAR,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1787303: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, body_style: PLAIN, SOLID, tooth_form: STANDARD, pitch_diameter: 1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 180. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-253-6076, 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

1787303

NSN: 3020-00-253-6076
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	STEEL COMP 416 OVERALL
body_style	PLAIN, SOLID
tooth_form	STANDARD
pitch_diameter	1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
pressure_angle	20.0000 DEGREES
teeth_quantity	180
style_designator	FLANGED END
attachment_method	MOUNTING HOLE
surface_treatment	PASSIVATE OVERALL
face_nominal_width	0.125 INCHES IN
bore_nominal_diameter	1.500 INCHES BOTH ENDS IN
nominal_outside_diameter	1.894 INCHES IN
NSN	3020-00-253-6076

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 1.500 INCHES BOTH ENDS IN

•

TEETH QUANTITY: 180

•

BODY STYLE: PLAIN, SOLID

•

MOUNTING HOLE TYPE AND QUANTITY: 4 COUNTERBORED AXIALLY THROUGH FLANGE

•

STYLE DESIGNATOR: FLANGED END

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764,TYPE 416 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

PITCH DIAMETER: 1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN

•

TOOTH FORM: STANDARD

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	1.500 INCHES BOTH ENDS IN
TEETH QUANTITY	180
BODY STYLE	PLAIN, SOLID
MOUNTING HOLE TYPE AND QUANTITY	4 COUNTERBORED AXIALLY THROUGH FLANGE
STYLE DESIGNATOR	FLANGED END
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764,TYPE 416 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER	1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
TOOTH FORM	STANDARD
NOMINAL OUTSIDE DIAMETER	1.894 INCHES IN
SURFACE TREATMENT	PASSIVATE OVERALL

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

L310029369Same 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 1787303?

1787303 is a GEAR,SPUR.

What parts can replace 1787303?

There is 1 known substitute for 1787303: L310029369. Substitute compatibility should be verified for your specific system.

What is the NSN for 1787303?

1787303 is cataloged in the U.S. Government catalog under NSN 3020-00-253-6076. This indicates validated use in U.S. government and defense supply chains.

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