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BL4569 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

BL4569: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, body_style: WEBBED, OFFSET, SOLID, bore_style: STRAIGHT SPLINE BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.2500 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-759-8565, 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
BL4569
NSN: 3020-00-759-8565
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 08484 — BREEZE-EASTERN LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
body_styleWEBBED, OFFSET, SOLID
bore_styleSTRAIGHT SPLINE BOTH ENDS
tooth_formSTANDARD
pitch_diameter1.2500 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity40
hardness_rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
spline_quantity11 BOTH ENDS
style_designatorCONE SHAPE BODY, PROTRUDING HUB
face_nominal_width0.280 INCHES IN
bore_nominal_diameter0.420 INCHES BOTH ENDS IN
NSN3020-00-759-8565
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN BL4569 MFR GEAR,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.420 INCHES BOTH ENDS IN
•
TEETH QUANTITY: 40
•
BODY STYLE: WEBBED, OFFSET, SOLID
•
BORE STYLE: STRAIGHT SPLINE BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.610 INCHES SECOND END IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL OVERALL LENGTH: 0.890 INCHES IN
•
STYLE DESIGNATOR: CONE SHAPE BODY, PROTRUDING HUB
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.420 INCHES BOTH ENDS IN
TEETH QUANTITY40
BODY STYLEWEBBED, OFFSET, SOLID
BORE STYLESTRAIGHT SPLINE BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.610 INCHES SECOND END IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL OVERALL LENGTH0.890 INCHES IN
STYLE DESIGNATORCONE SHAPE BODY, PROTRUDING HUB
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER1.2500 INCHES NOMINAL IN
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.
3020-00-001-2090 3020-00-001-4468 3020-00-007-2779 3020-00-009-4033 3020-00-031-2269 3020-00-146-4181 3020-00-146-4222 3020-00-425-7115
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 BL4569?
BL4569 is a GEAR,SPUR.
What is the NSN for BL4569?
BL4569 is cataloged in the U.S. Government catalog under NSN 3020-00-759-8565. This indicates validated use in U.S. government and defense supply chains.
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