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ND20B — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

ND20B: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, tooth_form: STANDARD, pitch_diameter: 1.6666 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES, teeth_quantity: 20. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-917-6934, 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
ND20B
NSN: 3020-00-917-6934
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_stylePLAIN, SOLID
tooth_formSTANDARD
pitch_diameter1.6666 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
teeth_quantity20
style_designatorPROTRUDING HUB
face_nominal_width0.750 INCHES IN
bore_nominal_diameter0.625 INCHES BOTH ENDS IN
nominal_overall_length1.250 INCHES IN
nominal_distance_between_body_face_and_protruding_hub_end0.500 INCHES FIRST END IN
NSN3020-00-917-6934
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN ND20B MFR GEAR,SPUR
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.625 INCHES BOTH ENDS IN
•
TEETH QUANTITY: 20
•
BODY STYLE: PLAIN, SOLID
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.500 INCHES FIRST END IN
•
NOMINAL OVERALL LENGTH: 1.250 INCHES IN
•
STYLE DESIGNATOR: PROTRUDING HUB
•
PITCH DIAMETER: 1.6666 INCHES NOMINAL IN
•
TOOTH FORM: STANDARD
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.625 INCHES BOTH ENDS IN
TEETH QUANTITY20
BODY STYLEPLAIN, SOLID
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.500 INCHES FIRST END IN
NOMINAL OVERALL LENGTH1.250 INCHES IN
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER1.6666 INCHES NOMINAL IN
TOOTH FORMSTANDARD
PRESSURE ANGLE14.5000 DEGREES
MATERIALSTEEL 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ND20B?
ND20B is a GEAR,SPUR.
What is the NSN for ND20B?
ND20B is cataloged in the U.S. Government catalog under NSN 3020-00-917-6934. 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.