PartsTable
Technical Data Sheet

40B20-5/8 — SPROCKET WHEEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

40B20-5/8: SPROCKET WHEEL.

The SPROCKET WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL, bore_type: STRAIGHT, face_width: 0.284 INCHES NOMINAL IN, bore_length: 0.875 INCHES NOMINAL IN, design_form: PLAIN, tooth_pitch: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-293-6071, 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
40B20-5/8
NSN: 3020-01-293-6071
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialSTEEL
quantity1
bore_typeSTRAIGHT
face_width0.284 INCHES NOMINAL IN
bore_length0.875 INCHES NOMINAL IN
design_formPLAIN
tooth_pitch0.500 INCHES NOMINAL IN
keyway_width0.250 INCHES NOMINAL IN
bore_diameter0.625 INCHES NOMINAL IN
overall_length0.875 INCHES NOMINAL IN
pitch_diameter3.196 INCHES NOMINAL IN
furnished_itemsKEYING FACILITY
NSN3020-01-293-6071
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPROCKET WHEEL TITLE COMPONENT PN 40B20-5/8 MFR SPROCKET WHEEL
KEY FEATURES
•
HUB OUTSIDE DIAMETER: 2.687 INCHES NOMINAL AA END IN
•
BORE LENGTH: 0.875 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
TOOTH PITCH: 0.500 INCHES NOMINAL IN
•
KEYING FACILITY TYPE: KEYWAY
•
QUANTITY: 1
•
STYLE DESIGNATOR: PLAIN
•
PITCH DIAMETER: 3.196 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HUB OUTSIDE DIAMETER2.687 INCHES NOMINAL AA END IN
BORE LENGTH0.875 INCHES NOMINAL IN
DESIGN FORMPLAIN
TOOTH PITCH0.500 INCHES NOMINAL IN
KEYING FACILITY TYPEKEYWAY
QUANTITY1
STYLE DESIGNATORPLAIN
PITCH DIAMETER3.196 INCHES NOMINAL IN
OVERALL LENGTH0.875 INCHES NOMINAL IN
BORE TYPESTRAIGHT
SUBSTITUTES & CROSS-REFERENCES 1
40B20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 40B20-5/8?
40B20-5/8 is a SPROCKET WHEEL.
What parts can replace 40B20-5/8?
There is 1 known substitute for 40B20-5/8: 40B20. Substitute compatibility should be verified for your specific system.
What is the NSN for 40B20-5/8?
40B20-5/8 is cataloged in the U.S. Government catalog under NSN 3020-01-293-6071. 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.