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657939 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

657939: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: WEBBED, SOLID, bore_style: INVOLUTE SPLINE BOTH ENDS, tooth_form: SPECIAL, pitch_diameter: 3.7762 INCHES NOMINAL IN, pressure_angle: 22.5000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-480-8087, 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
657939
NSN: 3020-00-480-8087
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleWEBBED, SOLID
bore_styleINVOLUTE SPLINE BOTH ENDS
tooth_formSPECIAL
pitch_diameter3.7762 INCHES NOMINAL IN
pressure_angle22.5000 DEGREES
teeth_quantity50
spline_quantity16 BOTH ENDS
style_designatorPROTRUDING HUBS
face_nominal_width0.200 INCHES IN
hub_nominal_diameter0.755 INCHES BOTH ENDS IN
hub_style_designatorPLAIN BOTH ENDS
NSN3020-00-480-8087
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 657939 MFR GEAR,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.580 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.755 INCHES BOTH ENDS IN
•
TEETH QUANTITY: 50
•
BODY STYLE: WEBBED, SOLID
•
BORE STYLE: INVOLUTE SPLINE BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.100 INCHES BOTH ENDS IN
•
STYLE DESIGNATOR: PROTRUDING HUBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.580 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.755 INCHES BOTH ENDS IN
TEETH QUANTITY50
BODY STYLEWEBBED, SOLID
BORE STYLEINVOLUTE SPLINE BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.100 INCHES BOTH ENDS IN
STYLE DESIGNATORPROTRUDING HUBS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER3.7762 INCHES NOMINAL IN
TOOTH FORMSPECIAL
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 657939?
657939 is a GEAR,SPUR.
What is the NSN for 657939?
657939 is cataloged in the U.S. Government catalog under NSN 3020-00-480-8087. This indicates validated use in U.S. government and defense supply chains.
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