8512139 — GEARSHAFT,SPUR

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

8512139: GEARSHAFT,SPUR.

The GEARSHAFT,SPUR is a the manufacturer industrial component. Key specifications include face_width: 0.312 INCHES NOMINAL IN, overall_length: 3.500 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, shaft_material: STEEL, teeth_quantity: 20, diametral_pitch: 48. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-435-7661, 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

8512139

NSN: 3040-00-435-7661
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)

SPECIFICATIONS

face_width	0.312 INCHES NOMINAL IN
overall_length	3.500 INCHES NOMINAL IN
pressure_angle	20.0000 DEGREES
shaft_material	STEEL
teeth_quantity	20
diametral_pitch	48
gear_outside_diameter	0.458 INCHES NOMINAL IN
NSN	3040-00-435-7661

COMPONENT DIAGRAM

KEY FEATURES

•

SHAFT MATERIAL: STEEL

•

TEETH QUANTITY: 20

•

DIAMETRAL PITCH: 48

•

GEAR OUTSIDE DIAMETER: 0.458 INCHES NOMINAL IN

•

PRESSURE ANGLE: 20.0000 DEGREES

•

FACE WIDTH: 0.312 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SHAFT MATERIAL	STEEL
TEETH QUANTITY	20
DIAMETRAL PITCH	48
GEAR OUTSIDE DIAMETER	0.458 INCHES NOMINAL IN
OVERALL LENGTH	3.500 INCHES NOMINAL IN
PRESSURE ANGLE	20.0000 DEGREES
FACE WIDTH	0.312 INCHES NOMINAL IN

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

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 8512139?

8512139 is a GEARSHAFT,SPUR.

What is the NSN for 8512139?

8512139 is cataloged in the U.S. Government catalog under NSN 3040-00-435-7661. This indicates validated use in U.S. government and defense supply chains.

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8512139 — GEARSHAFT,SPUR

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