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Technical Data Sheet
1770740 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.8323 INCHES MINIMUM AND 1.8333 INCHES MAXIMUM IN, pressure_angle: 20.0000 DEGREES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-050-6844, 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
1770740
NSN: 3020-00-050-6844
FSC: 3020
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter1.8323 INCHES MINIMUM AND 1.8333 INCHES MAXIMUM IN
pressure_angle20.0000 DEGREES
teeth_quantity88
style_designatorPROTRUDING HUB
face_nominal_width0.095 INCHES IN
hub_nominal_diameter0.375 INCHES FIRST END IN
hub_style_designatorPINNED FIRST END
bore_nominal_diameter0.187 INCHES BOTH ENDS IN
NSN3020-00-050-6844
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 1770740 MFR GEAR,SPUR
KEY FEATURES
BODY STYLE: PLAIN, SOLID
PRECISION CLASSIFICATION: QUALITY NUMBER 10 OR QUALITY NUMBER 11
PRESSURE ANGLE: 20.0000 DEGREES
HUB NOMINAL DIAMETER: 0.375 INCHES FIRST END IN
TEETH QUANTITY: 88
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
HUB STYLE DESIGNATOR: PINNED FIRST END
NOMINAL OUTSIDE DIAMETER: 1.874 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY STYLEPLAIN, SOLID
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11
PRESSURE ANGLE20.0000 DEGREES
HUB NOMINAL DIAMETER0.375 INCHES FIRST END IN
TEETH QUANTITY88
MATERIALALUMINUM ALLOY 6061 OVERALL
HUB STYLE DESIGNATORPINNED FIRST END
NOMINAL OUTSIDE DIAMETER1.874 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
BORE STYLEPLAIN BOTH ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
4-1681Interchangeable
interchangeable cross-reference
interchangeable
BD87Interchangeable
interchangeable cross-reference
interchangeable
163133Interchangeable
interchangeable cross-reference
interchangeable
2889406-1Interchangeable
interchangeable cross-reference
interchangeable
365-41681Interchangeable
interchangeable cross-reference
interchangeable
41680Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1770740?
1770740 is a GEAR,SPUR.
What parts can replace 1770740?
There are 8 known substitutes for 1770740: 4-1681, BD87, 163133 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1770740?
1770740 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-050-6844. This indicates validated use in U.S. government and defense supply chains.
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