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Technical Data Sheet
G12-90 ✓ 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: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.4052 INCHES MINIMUM AND 1.4062 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-024-8212, 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
G12-90
NSN: 3020-01-024-8212
FSC: 3020
CAGE: 00141 — ROLLER BEARING CO OF AMERICA, INC DIV PIC DESIGN (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter1.4052 INCHES MINIMUM AND 1.4062 INCHES MAXIMUM IN
pressure_angle20.0000 DEGREES
teeth_quantity90
inside_diameter1.344 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentANODIZE OVERALL
face_nominal_width0.125 INCHES IN
NSN3020-01-024-8212
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN G12-90 MFR GEAR,SPUR
KEY FEATURES
FACE NOMINAL WIDTH: 0.125 INCHES IN
BORE NOMINAL DIAMETER: 0.187 INCHES BOTH ENDS IN
PRECISION CLASSIFICATION: QUALITY NUMBER 10
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
BORE STYLE: PLAIN BOTH ENDS
STYLE DESIGNATOR: PROTRUDING HUB
PRESSURE ANGLE: 20.0000 DEGREES
BACKLASH DESIGNATION: GRADE C
TECHNICAL CHARACTERISTICS (FLIS)
FACE NOMINAL WIDTH0.125 INCHES IN
BORE NOMINAL DIAMETER0.187 INCHES BOTH ENDS IN
PRECISION CLASSIFICATIONQUALITY NUMBER 10
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
BORE STYLEPLAIN BOTH ENDS
STYLE DESIGNATORPROTRUDING HUB
PRESSURE ANGLE20.0000 DEGREES
BACKLASH DESIGNATIONGRADE C
TOOTH FORMSTANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
1G15-28Interchangeable
interchangeable cross-reference
interchangeable
G355683-1Interchangeable
interchangeable cross-reference
interchangeable
450518-32Interchangeable
interchangeable cross-reference
interchangeable
G12-100Interchangeable
interchangeable cross-reference
interchangeable
G12-54Interchangeable
interchangeable cross-reference
interchangeable
450518-19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G12-90?
G12-90 is a GEAR,SPUR.
What parts can replace G12-90?
There are 26 known substitutes for G12-90: 1G15-28, G355683-1, 450518-32 and 23 more. Substitute compatibility should be verified for your specific system.
Is G12-90 still available?
G12-90 is currently cancelled.
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