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PartsTable / COMPONENT / MS27903-05
MS27903-05 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SWITCH,PUSH is a the manufacturer industrial component. Key specifications include color: BLACK SINGLE ACTUATOR, body_style: BUSHING MOUNTED, body_width: 0.630 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN, body_length: 0.820 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN, thread_class: 2A A, bushing_length: 0.350 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-224-5815, 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
MS27903-05
NSN: 5930-00-224-5815
FSC: 5930
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
colorBLACK SINGLE ACTUATOR
body_styleBUSHING MOUNTED
body_width0.630 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
body_length0.820 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
thread_class2A A
bushing_length0.350 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
actuator_height0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
mounting_methodTHREADED BUSHING
actuator_diameter0.355 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
features_providedACTUATOR SEAL
nominal_thread_size0.625 INCHES IN
NSN5930-00-224-5815
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PUSH TITLE COMPONENT PN MS27903-05 MFR SWITCH,PUSH
KEY FEATURES
•
ACTUATOR DIAMETER: 0.355 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 24
•
MAXIMUM VOLTAGE RATING IN VOLTS: 115.0 AC AND 28.0 DC
•
NONPILE-UP CONTACT ARRANGEMENT: 2 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
•
MOUNTING METHOD: THREADED BUSHING
•
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 4.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC AND 2.000 AMPERES MOTOR DC AND 4.000 AMPERES RESISTIVE AC AND 2.000 AMPERES INDUCTIVE AC AND 2.000 AMPERES MOTOR AC
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
INCLOSURE TYPE: FULLY INCLOSED
TECHNICAL CHARACTERISTICS (FLIS)
ACTUATOR DIAMETER0.355 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH24
MAXIMUM VOLTAGE RATING IN VOLTS115.0 AC AND 28.0 DC
NONPILE-UP CONTACT ARRANGEMENT2 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
MOUNTING METHODTHREADED BUSHING
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE4.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC AND 2.000 AMPERES MOTOR DC AND 4.000 AMPERES RESISTIVE AC AND 2.000 AMPERES INDUCTIVE AC AND 2.000 AMPERES MOTOR AC
NOMINAL THREAD SIZE0.625 INCHES IN
INCLOSURE TYPEFULLY INCLOSED
FEATURES PROVIDEDACTUATOR SEAL
BODY LENGTH0.820 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
994-1200Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-6743Interchangeable
interchangeable cross-reference
interchangeable
441162Interchangeable
interchangeable cross-reference
interchangeable
946893-2Interchangeable
interchangeable cross-reference
interchangeable
MS27903-2Interchangeable
interchangeable cross-reference
interchangeable
870PU0010Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS27903-05?
MS27903-05 is a SWITCH,PUSH.
What parts can replace MS27903-05?
There are 28 known substitutes for MS27903-05: 994-1200, MIL-S-6743, 441162 and 25 more. Substitute compatibility should be verified for your specific system.
Is MS27903-05 still available?
MS27903-05 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026