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1903A — SWITCH,PUSH

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

1903A: SWITCH,PUSH.

The SWITCH,PUSH is a the manufacturer industrial component. Key specifications include body_style: BUSHING MOUNTED, body_length: 0.422 INCHES NOMINAL IN, thread_class: 2A A, body_diameter: 0.812 INCHES NOMINAL IN, bushing_length: 0.625 INCHES NOMINAL IN, mounting_method: THREADED BUSHING. This part is cataloged in the U.S.

Government catalog under NSN 6615-00-072-4522, 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
MRO→ MRO_GENERAL→ 1903A
NSN: 6615-00-072-4522
NIINs: 000724522, 007054780
FSC: 6615 — Automatic Pilot Mechanisms and Airborne Gyro Components
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
body_styleBUSHING MOUNTED
body_length0.422 INCHES NOMINAL IN
thread_class2A A
body_diameter0.812 INCHES NOMINAL IN
bushing_length0.625 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
wheel_power_methodELECTRIC
temp_control_methodSELF-CONTAINED
nonpile-up_contact_arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION SINGLE SWITCH UNIT
maximum_voltage_rating_in_volts125.0 AC
NSN6615-00-072-4522
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PUSH TITLE COMPONENT PN 1903A MFR SWITCH,PUSH
KEY FEATURES
•
TEMP CONTROL METHOD: SELF-CONTAINED
•
WHEEL POWER METHOD: ELECTRIC
TECHNICAL CHARACTERISTICS
TEMP CONTROL METHODSELF-CONTAINED
WHEEL POWER METHODELECTRIC
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 1903A?
1903A is a SWITCH,PUSH. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 1903A?
1903A is cataloged in the U.S. Government catalog under NSN 6615-00-072-4522. 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.