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1780121 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1780121: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 0.8115 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-055-8347, 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
1780121
NSN: 3020-00-055-8347
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter0.8115 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN
pressure_angle20.0000 DEGREES
teeth_quantity65
style_designatorPROTRUDING HUB
attachment_methodCLAMP
face_nominal_width0.050 INCHES IN
hub_nominal_diameter0.140 INCHES FIRST END IN
hub_style_designatorSPLIT FIRST END
NSN3020-00-055-8347
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 1780121 MFR GEAR,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.078 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.140 INCHES FIRST END IN
•
TEETH QUANTITY: 65
•
CLAMPING SURFACE NOMINAL LENGTH: 0.121 INCHES FIRST END IN
•
BODY STYLE: PLAIN, SOLID
•
BORE STYLE: PLAIN BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.137 INCHES FIRST END IN
•
PRECISION CLASSIFICATION: QUALITY NUMBER 10 OR QUALITY NUMBER 11
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.078 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.140 INCHES FIRST END IN
TEETH QUANTITY65
CLAMPING SURFACE NOMINAL LENGTH0.121 INCHES FIRST END IN
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.137 INCHES FIRST END IN
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11
NOMINAL OVERALL LENGTH0.187 INCHES IN
STYLE DESIGNATORPROTRUDING 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 1780121?
1780121 is a GEAR,SPUR.
What is the NSN for 1780121?
1780121 is cataloged in the U.S. Government catalog under NSN 3020-00-055-8347. This indicates validated use in U.S. government and defense supply chains.
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