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Y109S1 — MAGNETO,IGNITION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

Y109S1: MAGNETO,IGNITION.

The MAGNETO,IGNITION is a the manufacturer industrial component. Key specifications include shaft_length: 0.750 INCHES NOMINAL IN, body_material: ZINC ALLOY, mounting_method: FLANGE, drive_shaft_type: THREADED, performance_type: LOW TENSION, special_features: 13 DEG LAG ANGLE. This part is cataloged in the U.S.

Government catalog under NSN 2920-00-485-9445, 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
Y109S1
NSN: 2920-00-485-9445
NIINs: 004859445, 011492952
FSC: 2920 — Engine Electrical System Components, Nonaircraft
CAGE: 25436 — EAGLE MACHINE CO INC (USA)
SPECIFICATIONS
shaft_length0.750 INCHES NOMINAL IN
body_materialZINC ALLOY
pole_quantity1
mounting_methodFLANGE
drive_shaft_typeTHREADED
performance_typeLOW TENSION
special_features13 DEG LAG ANGLE
mounting_facilityHOLE
contact_set_quantity1
drive_connection_typeRIGID COUPLED
rotation_element_typeUNMAGNETIZED, NONWOUND ROTOR
mounting_hole_diameter0.375 INCHES NOMINAL IN
NSN2920-00-485-9445
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MAGNETO,IGNITION TITLE COMPONENT PN Y109S1 MFR MAGNETO,IGNITION
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 2
•
MOUNTING METHOD: FLANGE
•
DRIVE CONNECTION TYPE: RIGID COUPLED
•
POLE QUANTITY: 1
•
MOUNTING HOLE DIAMETER: 0.375 INCHES NOMINAL IN
•
SHAFT ROTATION DIRECTION: COUNTERCLOCKWISE
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 3.250 INCHES NOMINAL IN
•
DRIVE SHAFT TYPE: THREADED
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY2
MOUNTING METHODFLANGE
DRIVE CONNECTION TYPERIGID COUPLED
POLE QUANTITY1
MOUNTING HOLE DIAMETER0.375 INCHES NOMINAL IN
SHAFT ROTATION DIRECTIONCOUNTERCLOCKWISE
DISTANCE BETWEEN MOUNTING FACILITY CENTERS3.250 INCHES NOMINAL IN
DRIVE SHAFT TYPETHREADED
SHAFT LENGTH0.750 INCHES NOMINAL IN
BODY MATERIALZINC ALLOY
SUBSTITUTES & CROSS-REFERENCES 4
Y111S1Reference document
Same NSN cross-reference
Reference document — Secondary reference
Y135S1Reference document
Same NSN cross-reference
Reference document — Secondary reference
FMS1B7SReference document
Same NSN cross-reference
Reference document — Secondary reference
10-005-175Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 Y109S1?
Y109S1 is a MAGNETO,IGNITION.
What parts can replace Y109S1?
There are 4 known substitutes for Y109S1: Y111S1, Y135S1, FMS1B7S and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Y109S1?
Y109S1 is cataloged in the U.S. Government catalog under NSN 2920-00-485-9445. 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.