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18359A — SPROCKET WHEEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

18359A: SPROCKET WHEEL.

The SPROCKET WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1213 OR STEEL COMP 1035, bore_type: STRAIGHT, face_width: 0.145 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN, bore_length: 1.141 INCHES NOMINAL IN, design_form: PLAIN, tooth_pitch: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-378-8901, 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
18359A
NSN: 3020-00-378-8901
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialSTEEL COMP 1213 OR STEEL COMP 1035
quantity1
bore_typeSTRAIGHT
face_width0.145 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
bore_length1.141 INCHES NOMINAL IN
design_formPLAIN
tooth_pitch0.375 INCHES NOMINAL IN
keyway_width0.156 INCHES NOMINAL IN
bore_diameter0.750 INCHES NOMINAL IN
hole_location17/64 IN. FROM FACE OF HUB TO CENTER OF HOLE IN
overall_length1.141 INCHES NOMINAL IN
pitch_diameter2.809 INCHES NOMINAL IN
NSN3020-00-378-8901
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPROCKET WHEEL TITLE COMPONENT PN 18359A MFR SPROCKET WHEEL
KEY FEATURES
•
HUB OUTSIDE DIAMETER: 1.750 INCHES NOMINAL AA END IN
•
SECURING METHOD: DRILLED HOLE
•
BORE LENGTH: 1.141 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
TEETH HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM
•
LUBRICATION MODE: NO VISIBLE MEANS
•
TOOTH PITCH: 0.375 INCHES NOMINAL IN
•
ASA STANDARD CHAIN NUMBER: 150-1
TECHNICAL CHARACTERISTICS
HUB OUTSIDE DIAMETER1.750 INCHES NOMINAL AA END IN
SECURING METHODDRILLED HOLE
BORE LENGTH1.141 INCHES NOMINAL IN
DESIGN FORMPLAIN
TEETH HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM
LUBRICATION MODENO VISIBLE MEANS
TOOTH PITCH0.375 INCHES NOMINAL IN
ASA STANDARD CHAIN NUMBER150-1
OUTSIDE DIAMETER3.109 INCHES NOMINAL IN
KEYING FACILITY TYPEKEYWAY
SUBSTITUTES & CROSS-REFERENCES 3
SC68Reference document
Same NSN cross-reference
Reference document — Secondary reference
9021PC18359AReference document
Same NSN cross-reference
Reference document — Secondary reference
05789900Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 18359A?
18359A is a SPROCKET WHEEL.
What parts can replace 18359A?
There are 3 known substitutes for 18359A: SC68, 9021PC18359A, 05789900. Substitute compatibility should be verified for your specific system.
What is the NSN for 18359A?
18359A is cataloged in the U.S. Government catalog under NSN 3020-00-378-8901. 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.