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406746 — SPROCKET WHEEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

406746: SPROCKET WHEEL.

The SPROCKET WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, core_depth: 1.050 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN, head_height: 0.450 INCHES NOMINAL IN, thread_class: 3A EXTERNAL A, head_diameter: 0.668 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN, thread_length: 0.422 INCHES NOMINAL EXTERNAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-759-5488, 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
406746
NSN: 3020-00-759-5488
NIINs: 007595488, 010217453
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 3HRL4 — HORNET ACQUISITIONCO, LLC DBA ONBOARD SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
core_depth1.050 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN
head_height0.450 INCHES NOMINAL IN
thread_class3A EXTERNAL A
head_diameter0.668 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
thread_length0.422 INCHES NOMINAL EXTERNAL IN
overall_length1.250 INCHES NOMINAL IN
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
body_core_diameter0.448 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
nominal_thread_size0.625 INCHES EXTERNAL IN
thread_series_designatorUNEF EXTERNAL
NSN3020-00-759-5488
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPROCKET WHEEL TITLE COMPONENT PN 406746 MFR SPROCKET WHEEL
KEY FEATURES
•
SECURING METHOD: PRESS FIT
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BORE LENGTH: 0.415 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
OUTSIDE DIAMETER: 4.203 INCHES NOMINAL IN
•
KEYING FACILITY TYPE: KEYWAY
•
PITCH DIAMETER: 4.061 INCHES NOMINAL IN
•
BORE TYPE: STRAIGHT
TECHNICAL CHARACTERISTICS
SECURING METHODPRESS FIT
BORE LENGTH0.415 INCHES NOMINAL IN
DESIGN FORMPLAIN
OUTSIDE DIAMETER4.203 INCHES NOMINAL IN
KEYING FACILITY TYPEKEYWAY
PITCH DIAMETER4.061 INCHES NOMINAL IN
OVERALL LENGTH0.519 INCHES MINIMUM AND 0.524 INCHES MAXIMUM IN
BORE TYPESTRAIGHT
COUNTERBORE DEPTH0.093 INCHES NOMINAL IN
COUNTERBORE LOCATIONBB END
SUBSTITUTES & CROSS-REFERENCES 1
4067D46Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 406746?
406746 is a SPROCKET WHEEL.
What parts can replace 406746?
There is 1 known substitute for 406746: 4067D46. Substitute compatibility should be verified for your specific system.
What is the NSN for 406746?
406746 is cataloged in the U.S. Government catalog under NSN 3020-00-759-5488. 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.