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BL-19434-1 — GEARSHAFT,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

BL-19434-1: GEARSHAFT,SPUR.

The GEARSHAFT,SPUR is a the manufacturer industrial component. Key specifications include face_width: 0.632 INCHES NOMINAL IN, shaft_type: SHOULDERED, gear_material: STEEL, overall_length: 2.378 INCHES NOMINAL IN, pressure_angle: 30.0 DEGREES, shaft_end_size: 0.441 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-672-3770, 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
BL-19434-1
NSN: 3040-01-672-3770
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 08484 — BREEZE-EASTERN LLC (USA)
SPECIFICATIONS
face_width0.632 INCHES NOMINAL IN
shaft_typeSHOULDERED
gear_materialSTEEL
overall_length2.378 INCHES NOMINAL IN
pressure_angle30.0 DEGREES
shaft_end_size0.441 INCHES IN
shaft_end_typeFLATTED
shaft_materialSTEEL
teeth_quantity19
hardness_rating53.0 ROCKWELL C NOMINAL OVERALL
gear_outside_diameter0.6910 INCHES NOMINAL IN
gear_location_on_shaftOFF CENTER BETWEEN ENDS OF SHAFT
NSN3040-01-672-3770
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEARSHAFT,SPUR TITLE COMPONENT PN BL-19434-1 MFR GEARSHAFT,SPUR
KEY FEATURES
•
SHAFT TYPE: SHOULDERED
•
SHAFT MATERIAL: STEEL
•
SHAFT LARGEST DIAMETER: 0.441 INCHES NOMINAL IN
•
SHAFT END SIZE: 0.441 INCHES IN
•
TEETH QUANTITY: 19
•
GEAR OUTSIDE DIAMETER: 0.6910 INCHES NOMINAL IN
•
LONGER SHAFT SEGMENT LENGTH: 1.440 INCHES NOMINAL IN
•
HARDNESS RATING: 53.0 ROCKWELL C NOMINAL OVERALL
TECHNICAL CHARACTERISTICS
SHAFT TYPESHOULDERED
SHAFT MATERIALSTEEL
SHAFT LARGEST DIAMETER0.441 INCHES NOMINAL IN
SHAFT END SIZE0.441 INCHES IN
TEETH QUANTITY19
GEAR OUTSIDE DIAMETER0.6910 INCHES NOMINAL IN
LONGER SHAFT SEGMENT LENGTH1.440 INCHES NOMINAL IN
HARDNESS RATING53.0 ROCKWELL C NOMINAL OVERALL
OVERALL LENGTH2.378 INCHES NOMINAL IN
GEAR MATERIALSTEEL
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
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 BL-19434-1?
BL-19434-1 is a GEARSHAFT,SPUR.
What is the NSN for BL-19434-1?
BL-19434-1 is cataloged in the U.S. Government catalog under NSN 3040-01-672-3770. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.