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PartsTable / COMPONENT / 170720-2
170720-2 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The GEAR,ANTIBACKLASH,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, tooth_form: STANDARD, pitch_diameter: 1.8750 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 90, style_designator: PROTRUDING HUB. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-834-2351, 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
170720-2
NSN: 3020-00-834-2351
FSC: 3020
CAGE: 24930 — L3HARRIS TECHNOLOGIES, INC DIV SPACE & AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
tooth_formSTANDARD
pitch_diameter1.8750 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity90
style_designatorPROTRUDING HUB
surface_treatmentPASSIVATE OVERALL
face_nominal_width0.104 INCHES IN
backlash_designationGRADE C
hub_nominal_diameter0.500 INCHES FIRST END IN
bore_nominal_diameter0.250 INCHES BOTH ENDS IN
nominal_overall_length0.385 INCHES IN
NSN3020-00-834-2351
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,ANTIBACKLASH,SPUR TITLE COMPONENT PN 170720-2 MFR GEAR,ANTIBACKLASH,SPUR
KEY FEATURES
•
TEETH QUANTITY: 90
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
STYLE DESIGNATOR: PROTRUDING HUB
•
FACE NOMINAL WIDTH: 0.104 INCHES IN
•
BACKLASH DESIGNATION: GRADE C
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
TOOTH FORM: STANDARD
•
BORE NOMINAL DIAMETER: 0.250 INCHES BOTH ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
TEETH QUANTITY90
SURFACE TREATMENTPASSIVATE OVERALL
STYLE DESIGNATORPROTRUDING HUB
FACE NOMINAL WIDTH0.104 INCHES IN
BACKLASH DESIGNATIONGRADE C
MATERIALSTEEL CORROSION RESISTING OVERALL
TOOTH FORMSTANDARD
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS IN
PRESSURE ANGLE20.0000 DEGREES
PRECISION CLASSIFICATIONQUALITY NUMBER 10
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
102-272Interchangeable
interchangeable cross-reference
interchangeable
139A905256Interchangeable
interchangeable cross-reference
interchangeable
0683-2725Interchangeable
interchangeable cross-reference
interchangeable
170720Interchangeable
interchangeable cross-reference
interchangeable
170720-7Interchangeable
interchangeable cross-reference
interchangeable
6267PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 170720-2?
170720-2 is a GEAR,ANTIBACKLASH,SPUR.
What parts can replace 170720-2?
There are 11 known substitutes for 170720-2: 102-272, 139A905256, 0683-2725 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 170720-2?
170720-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-834-2351. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026