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40B23 — SPROCKET WHEEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

40B23: SPROCKET WHEEL.

The SPROCKET WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL, bore_type: STRAIGHT, design_form: SPOKED, overall_length: 1.000 INCHES NOMINAL IN, pitch_diameter: 3.672 INCHES NOMINAL IN, outside_diameter: 3.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-610-9979, 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
40B23
NSN: 3020-01-610-9979
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialSTEEL
bore_typeSTRAIGHT
design_formSPOKED
overall_length1.000 INCHES NOMINAL IN
pitch_diameter3.672 INCHES NOMINAL IN
outside_diameter3.000 INCHES NOMINAL IN
style_designatorPLAIN
teeth_row_quantity1
teeth_quantity_per_row23
end_item_identificationAY, MOTOR OPERATOR
part_name_assigned_by_controlling_agencyROLLER CHAIN SPROCKET
NSN3020-01-610-9979
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPROCKET WHEEL TITLE COMPONENT PN 40B23 MFR SPROCKET WHEEL
KEY FEATURES
•
DESIGN FORM: SPOKED
•
OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
PITCH DIAMETER: 3.672 INCHES NOMINAL IN
•
BORE TYPE: STRAIGHT
•
TEETH ROW QUANTITY: 1
•
TEETH QUANTITY PER ROW: 23
TECHNICAL CHARACTERISTICS
DESIGN FORMSPOKED
OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
PITCH DIAMETER3.672 INCHES NOMINAL IN
OVERALL LENGTH1.000 INCHES NOMINAL IN
BORE TYPESTRAIGHT
TEETH ROW QUANTITY1
TEETH QUANTITY PER ROW23
PART NAME ASSIGNED BY CONTROLLING AGENCYROLLER CHAIN SPROCKET
END ITEM IDENTIFICATIONAY, MOTOR OPERATOR
SUBSTITUTES & CROSS-REFERENCES 2
BOSTON GEAR CAT. CUTSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HH5021 REV F ITEM 8Same 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 40B23?
40B23 is a SPROCKET WHEEL.
What parts can replace 40B23?
There are 2 known substitutes for 40B23: BOSTON GEAR CAT. CUT, HH5021 REV F ITEM 8. Substitute compatibility should be verified for your specific system.
What is the NSN for 40B23?
40B23 is cataloged in the U.S. Government catalog under NSN 3020-01-610-9979. 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.