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Technical Data Sheet
PartsTable / COMPONENT / 4505-18
4505-18 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-055-2076, 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
4505-18
NSN: 3020-00-055-2076
FSC: 3020
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
materialRUBBER OVERALL
NSN3020-00-055-2076
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 4505-18 MFR GEAR,SPUR
KEY FEATURES
•
HUB NOMINAL DIAMETER: 0.375 INCHES FIRST END IN
•
TEETH QUANTITY: 28
•
NOMINAL OVERALL LENGTH: 0.406 INCHES IN
•
PRESSURE ANGLE: 20.0000 DEGREES
•
PITCH DIAMETER: 0.4375 INCHES NOMINAL IN
•
TOOTH FORM: STANDARD
•
NOMINAL OUTSIDE DIAMETER: 0.469 INCHES IN
•
HUB STYLE DESIGNATOR: PINNED FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
HUB NOMINAL DIAMETER0.375 INCHES FIRST END IN
TEETH QUANTITY28
NOMINAL OVERALL LENGTH0.406 INCHES IN
PRESSURE ANGLE20.0000 DEGREES
PITCH DIAMETER0.4375 INCHES NOMINAL IN
TOOTH FORMSTANDARD
NOMINAL OUTSIDE DIAMETER0.469 INCHES IN
HUB STYLE DESIGNATORPINNED FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FACE NOMINAL WIDTH0.187 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
450518-32Interchangeable
interchangeable cross-reference
interchangeable
G12-100Interchangeable
interchangeable cross-reference
interchangeable
G12-54Interchangeable
interchangeable cross-reference
interchangeable
450518-19Interchangeable
interchangeable cross-reference
interchangeable
450518Interchangeable
interchangeable cross-reference
interchangeable
PG6742-75Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4505-18?
4505-18 is a GEAR,SPUR.
What parts can replace 4505-18?
There are 27 known substitutes for 4505-18: 450518-32, G12-100, G12-54 and 24 more. Substitute compatibility should be verified for your specific system.
Is 4505-18 still available?
4505-18 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026