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Technical Data Sheet
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EE1A3 — SWITCH,PUSH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

EE1A3: SWITCH,PUSH.

The SWITCH,PUSH is a the manufacturer industrial component. Key specifications include overall_width: 2.750 INCHES NOMINAL IN, actuator_style: ROUND, FLUSH, inclosure_type: FULLY INCLOSED, overall_height: 4.750 INCHES NOMINAL IN, overall_length: 2.750 INCHES NOMINAL IN, mounting_method: PANEL. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-378-0507, 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
EE1A3
NSN: 5930-00-378-0507
FSC: 5930 — Switches
CAGE: 65788 — CHALLENGER ELECTRICAL EQUIPMENT CORP INDUSTRIAL PRODUCTS OPERATION (USA)
SPECIFICATIONS
overall_width2.750 INCHES NOMINAL IN
actuator_styleROUND, FLUSH
inclosure_typeFULLY INCLOSED
overall_height4.750 INCHES NOMINAL IN
overall_length2.750 INCHES NOMINAL IN
mounting_methodPANEL
actuator_inscriptionSTOP SECOND ACTUATOR
switch_actuator_quantity2
terminal_type_and_quantity8 SCREW
nonpile-up_contact_arrangement2 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
maximum_voltage_rating_in_volts600.0 AC AND 600.0 DC
hazardous_locations/environmental_protectionDUSTPROOF
NSN5930-00-378-0507
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PUSH TITLE COMPONENT PN EE1A3 MFR SWITCH,PUSH
KEY FEATURES
•
INCLOSURE TYPE: FULLY INCLOSED
•
ACTUATOR INSCRIPTION: START FIRST ACTUATOR
•
ACTUATOR STYLE: ROUND, FLUSH
•
MOUNTING METHOD: PANEL
•
SWITCH ACTUATOR QUANTITY: 2
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT4.750 INCHES NOMINAL IN
INCLOSURE TYPEFULLY INCLOSED
ACTUATOR INSCRIPTIONSTART FIRST ACTUATOR
ACTUATOR INSCRIPTIONSTOP SECOND ACTUATOR
ACTUATOR STYLEROUND, FLUSH
MOUNTING METHODPANEL
SWITCH ACTUATOR QUANTITY2
OVERALL LENGTH2.750 INCHES NOMINAL IN
OVERALL WIDTH2.750 INCHES NOMINAL IN
NONPILE-UP CONTACT ARRANGEMENT2 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
SUBSTITUTES & CROSS-REFERENCES 1
1A3BUL100TYPEEESame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is EE1A3?
EE1A3 is a SWITCH,PUSH.
What parts can replace EE1A3?
There is 1 known substitute for EE1A3: 1A3BUL100TYPEEE. Substitute compatibility should be verified for your specific system.
What is the NSN for EE1A3?
EE1A3 is cataloged in the U.S. Government catalog under NSN 5930-00-378-0507. 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.