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BL3903 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

BL3903: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: WEBBED, OFFSET, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.5000 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-052-0808, 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
BL3903
NSN: 3020-00-052-0808
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 08484 — BREEZE-EASTERN LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleWEBBED, OFFSET, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter1.5000 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity24
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
special_featuresOIL GROOVES IN BORE
style_designatorPROTRUDING HUB, RECESSED BODY
face_nominal_width0.219 INCHES IN
hub_nominal_diameter0.938 INCHES FIRST END IN
NSN3020-00-052-0808
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN BL3903 MFR GEAR,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.750 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.938 INCHES FIRST END IN
•
TEETH QUANTITY: 24
•
BODY STYLE: WEBBED, OFFSET, SOLID
•
BORE STYLE: PLAIN BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.313 INCHES FIRST END IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: PROTRUDING HUB, RECESSED BODY
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.750 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.938 INCHES FIRST END IN
TEETH QUANTITY24
BODY STYLEWEBBED, OFFSET, SOLID
BORE STYLEPLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.313 INCHES FIRST END IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORPROTRUDING HUB, RECESSED BODY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 COND C SURFACE COND 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER1.5000 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.
3020-00-000-0091 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 BL3903?
BL3903 is a GEAR,SPUR.
What is the NSN for BL3903?
BL3903 is cataloged in the U.S. Government catalog under NSN 3020-00-052-0808. This indicates validated use in U.S. government and defense supply chains.
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