4784239 — STARTER,ENGINE,ELECTRICAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4784239: STARTER,ENGINE,ELECTRICAL.

The STARTER,ENGINE,ELECTRICAL is a the manufacturer industrial component. Key specifications include voltage_in_volts: 12.0, mounting_hole_diameter: 0.477 INCHES MINIMUM AND 0.497 INCHES MAXIMUM IN, engaging_mechanism_style: PERIPHERAL OUTBOARD GEAR DRIVE W/WORM SHAFT, TORSION DRIVE SPRING AND OVER-RUNNING CLUTCH W/DRIVE HOUSING, shaft_rotation_direction: CLOCKWISE, terminal_type_and_quantity: 1 THREADED STUD, mounting_flange_shape_style: OVAL. This part is cataloged in the U.S.

Government catalog under NSN 2920-00-075-0124, 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

4784239

NSN: 2920-00-075-0124
FSC: 2920 — Engine Electrical System Components, Nonaircraft
CAGE: 0AHU0 — KALMAR AC INC (USA)

SPECIFICATIONS

voltage_in_volts	12.0
mounting_hole_diameter	0.477 INCHES MINIMUM AND 0.497 INCHES MAXIMUM IN
engaging_mechanism_style	PERIPHERAL OUTBOARD GEAR DRIVE W/WORM SHAFT, TORSION DRIVE SPRING AND OVER-RUNNING CLUTCH W/DRIVE HOUSING
shaft_rotation_direction	CLOCKWISE
terminal_type_and_quantity	1 THREADED STUD
mounting_flange_shape_style	OVAL
mounting_hole_circle_radius	2.250 INCHES NOMINAL IN
lock_test_current_rating_in_amps	435.0
mounting_flange_angular_deviation_in_deg	160.0
engaging_mechanism_opening_angular_deviation_in_deg	65.0
engaging_mechanism_to_armature_positional_relationship	STRAIGHT
NSN	2920-00-075-0124

COMPONENT DIAGRAM

KEY FEATURES

•

VOLTAGE IN VOLTS: 12.0

•

ENGAGING MECHANISM OPENING ANGULAR DEVIATION IN DEG: 65.0

•

MOUNTING HOLE DIAMETER: 0.477 INCHES MINIMUM AND 0.497 INCHES MAXIMUM IN

•

SHAFT ROTATION DIRECTION: CLOCKWISE

•

MOUNTING FLANGE SHAPE STYLE: OVAL

•

ENGAGING MECHANISM TO ARMATURE POSITIONAL RELATIONSHIP: STRAIGHT

•

MOUNTING FLANGE ANGULAR DEVIATION IN DEG: 160.0

•

MOUNTING HOLE CIRCLE RADIUS: 2.250 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

VOLTAGE IN VOLTS	12.0
ENGAGING MECHANISM OPENING ANGULAR DEVIATION IN DEG	65.0
MOUNTING HOLE DIAMETER	0.477 INCHES MINIMUM AND 0.497 INCHES MAXIMUM IN
SHAFT ROTATION DIRECTION	CLOCKWISE
MOUNTING FLANGE SHAPE STYLE	OVAL
ENGAGING MECHANISM TO ARMATURE POSITIONAL RELATIONSHIP	STRAIGHT
MOUNTING FLANGE ANGULAR DEVIATION IN DEG	160.0
MOUNTING HOLE CIRCLE RADIUS	2.250 INCHES NOMINAL IN
LOCK TEST CURRENT RATING IN AMPS	435.0
ENGAGING MECHANISM STYLE	PERIPHERAL OUTBOARD GEAR DRIVE W/WORM SHAFT, TORSION DRIVE SPRING AND OVER-RUNNING CLUTCH W/DRIVE HOUSING

OTHER ITEMS IN FSC 2920 — Engine Electrical System Components, Nonaircraft

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2920-00-003-5173 2920-00-005-1596 2920-00-035-6718 2920-00-158-2674 2920-00-255-4938 2920-00-424-3259

SUBSTITUTES & CROSS-REFERENCES 2

1107324Reference document

Same NSN cross-reference

Reference document — Secondary reference

1109374Reference 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 4784239?

4784239 is a STARTER,ENGINE,ELECTRICAL.

What parts can replace 4784239?

There are 2 known substitutes for 4784239: 1107324, 1109374. Substitute compatibility should be verified for your specific system.

What is the NSN for 4784239?

4784239 is cataloged in the U.S. Government catalog under NSN 2920-00-075-0124. This indicates validated use in U.S. government and defense supply chains.

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4784239 — STARTER,ENGINE,ELECTRICAL

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