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8171893 — GEAR,ANTIBACKLASH,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

8171893: GEAR,ANTIBACKLASH,SPUR.

The GEAR,ANTIBACKLASH,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP A6 OVERALL, tooth_form: STANDARD, pitch_diameter: 1.0417 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES, teeth_quantity: 50, style_designator: PROTRUDING HUBS. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-564-9869, 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
8171893
NSN: 3020-00-564-9869
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP A6 OVERALL
tooth_formSTANDARD
pitch_diameter1.0417 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
teeth_quantity50
style_designatorPROTRUDING HUBS
surface_treatmentPASSIVATE OVERALL
face_nominal_width0.188 INCHES IN
nominal_overall_length0.531 INCHES IN
precision_classificationQUALITY NUMBER 8
surface_treatment_document_and_classificationMIL-STD-171,FINISH NO. 5.4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN3020-00-564-9869
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,ANTIBACKLASH,SPUR TITLE COMPONENT PN 8171893 MFR GEAR,ANTIBACKLASH,SPUR
KEY FEATURES
•
TEETH QUANTITY: 50
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-STD-171,FINISH NO. 5.4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
PRECISION CLASSIFICATION: QUALITY NUMBER 8
•
NOMINAL OVERALL LENGTH: 0.531 INCHES IN
•
STYLE DESIGNATOR: PROTRUDING HUBS
•
PITCH DIAMETER: 1.0417 INCHES NOMINAL IN
•
TOOTH FORM: STANDARD
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
TEETH QUANTITY50
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171,FINISH NO. 5.4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
PRECISION CLASSIFICATIONQUALITY NUMBER 8
NOMINAL OVERALL LENGTH0.531 INCHES IN
STYLE DESIGNATORPROTRUDING HUBS
PITCH DIAMETER1.0417 INCHES NOMINAL IN
TOOTH FORMSTANDARD
SURFACE TREATMENTPASSIVATE OVERALL
PRESSURE ANGLE14.5000 DEGREES
MATERIALSTEEL COMP A6 OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8171893?
8171893 is a GEAR,ANTIBACKLASH,SPUR.
What is the NSN for 8171893?
8171893 is cataloged in the U.S. Government catalog under NSN 3020-00-564-9869. 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.