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8171855 — GEARSHAFT,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8171855: GEARSHAFT,SPUR.

The GEARSHAFT,SPUR is a the manufacturer industrial component. Key specifications include face_width: 0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN, shaft_type: SHOULDERED, gear_material: STEEL CORROSION RESISTING, overall_length: 3.219 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES, shaft_end_size: 0.250 INCHES AND 0.219 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-563-3849, 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
8171855
NSN: 3040-00-563-3849
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
face_width0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
shaft_typeSHOULDERED
gear_materialSTEEL CORROSION RESISTING
overall_length3.219 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
shaft_end_size0.250 INCHES AND 0.219 INCHES IN
shaft_end_typeCIRCULAR GROOVED AND PLAIN
shaft_materialSTEEL CORROSION RESISTING
teeth_quantity16
diametral_pitch84
gear_outside_diameter0.293 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
gear_location_on_shaftOFF CENTER BETWEEN ENDS OF SHAFT
NSN3040-00-563-3849
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEARSHAFT,SPUR TITLE COMPONENT PN 8171855 MFR GEARSHAFT,SPUR
KEY FEATURES
•
SHAFT TYPE: SHOULDERED
•
SHAFT MATERIAL: STEEL CORROSION RESISTING
•
SHAFT LARGEST DIAMETER: 0.250 INCHES NOMINAL IN
•
SHAFT END SIZE: 0.250 INCHES AND 0.219 INCHES IN
•
TEETH QUANTITY: 16
•
DIAMETRAL PITCH: 84
•
GEAR OUTSIDE DIAMETER: 0.293 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
•
LONGER SHAFT SEGMENT LENGTH: 1.845 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHAFT TYPESHOULDERED
SHAFT MATERIALSTEEL CORROSION RESISTING
SHAFT LARGEST DIAMETER0.250 INCHES NOMINAL IN
SHAFT END SIZE0.250 INCHES AND 0.219 INCHES IN
TEETH QUANTITY16
DIAMETRAL PITCH84
GEAR OUTSIDE DIAMETER0.293 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
LONGER SHAFT SEGMENT LENGTH1.845 INCHES NOMINAL IN
OVERALL LENGTH3.219 INCHES NOMINAL IN
GEAR MATERIALSTEEL CORROSION RESISTING
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8171855?
8171855 is a GEARSHAFT,SPUR.
What is the NSN for 8171855?
8171855 is cataloged in the U.S. Government catalog under NSN 3040-00-563-3849. 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.