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4373406 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4373406: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, WITH LIGHTENING HOLES, pitch_diameter: 3.11 INCHES NOMINAL IN, special_features: GEAR HAS (6) DRILLED HOLES;(2) HOLES ARE 0.19" DIAMETER AND (4) HOLES ARE 0.25" DIAMETER, style_designator: HUBLESS, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-677-8200, 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
4373406
NSN: 3020-01-677-8200
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_stylePLAIN, WITH LIGHTENING HOLES
pitch_diameter3.11 INCHES NOMINAL IN
special_featuresGEAR HAS (6) DRILLED HOLES;(2) HOLES ARE 0.19" DIAMETER AND (4) HOLES ARE 0.25" DIAMETER
style_designatorHUBLESS
surface_treatmentZINC OVERALL
face_nominal_width0.12 INCHES IN
end_item_identification2320-01-652-5208
nominal_outside_diameter6.29 INCHES IN
part_name_assigned_by_controlling_agencyGEAR,SPUR 6.14 58
NSN3020-01-677-8200
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 4373406 MFR GEAR,SPUR
KEY FEATURES
•
BODY STYLE: PLAIN, WITH LIGHTENING HOLES
•
STYLE DESIGNATOR: HUBLESS
•
PITCH DIAMETER: 3.11 INCHES NOMINAL IN
•
NOMINAL OUTSIDE DIAMETER: 6.29 INCHES IN
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS
BODY STYLEPLAIN, WITH LIGHTENING HOLES
STYLE DESIGNATORHUBLESS
PITCH DIAMETER3.11 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER6.29 INCHES IN
SPECIAL FEATURESGEAR HAS (6) DRILLED HOLES;(2) HOLES ARE 0.19" DIAMETER AND (4) HOLES ARE 0.25" DIAMETER
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYGEAR,SPUR 6.14 58
END ITEM IDENTIFICATION2320-01-652-5208
MATERIALSTEEL OVERALL
FACE NOMINAL WIDTH0.12 INCHES IN
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 4373406?
4373406 is a GEAR,SPUR.
What is the NSN for 4373406?
4373406 is cataloged in the U.S. Government catalog under NSN 3020-01-677-8200. 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.