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HU12-4329 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

HU12-4329: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include body_style: WEBBED, OFFSET, SOLID, pitch_diameter: 5.1200 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 46, special_features: K301AAAAAAA NSN 5420-00-889-2020 CHASSIS,AVLB, style_designator: PROTRUDING HUB. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-146-8957, 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
HU12-4329
NSN: 3020-01-146-8957
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 5G900 — COLUMBIA GEAR DIV OF VESPER CORP (USA)
SPECIFICATIONS
body_styleWEBBED, OFFSET, SOLID
pitch_diameter5.1200 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity46
special_featuresK301AAAAAAA NSN 5420-00-889-2020 CHASSIS,AVLB
style_designatorPROTRUDING HUB
face_nominal_width0.375 INCHES IN
nominal_outside_diameter5.990 INCHES IN
NSN3020-01-146-8957
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN HU12-4329 MFR GEAR,SPUR
KEY FEATURES
•
TEETH QUANTITY: 46
•
BODY STYLE: WEBBED, OFFSET, SOLID
•
STYLE DESIGNATOR: PROTRUDING HUB
•
PITCH DIAMETER: 5.1200 INCHES NOMINAL IN
•
NOMINAL OUTSIDE DIAMETER: 5.990 INCHES IN
•
PRESSURE ANGLE: 20.0000 DEGREES
•
FACE NOMINAL WIDTH: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS
TEETH QUANTITY46
BODY STYLEWEBBED, OFFSET, SOLID
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER5.1200 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER5.990 INCHES IN
SPECIAL FEATURESK301AAAAAAA NSN 5420-00-889-2020 CHASSIS,AVLB
PRESSURE ANGLE20.0000 DEGREES
FACE NOMINAL WIDTH0.375 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 1
62.21.008.AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is HU12-4329?
HU12-4329 is a GEAR,SPUR.
What parts can replace HU12-4329?
There is 1 known substitute for HU12-4329: 62.21.008.A. Substitute compatibility should be verified for your specific system.
What is the NSN for HU12-4329?
HU12-4329 is cataloged in the U.S. Government catalog under NSN 3020-01-146-8957. 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.