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PartsTable / COMPONENT / MS27903-3
MS27903-3 ✓ 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_length: 0.760 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN, body_diameter: 0.630 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN, overall_width: 0.870 INCHES NOMINAL IN, actuator_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-765-6398, 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
MS27903-3
NSN: 5930-00-765-6398
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_length0.760 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN
body_diameter0.630 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
overall_width0.870 INCHES NOMINAL IN
actuator_styleROUND
bushing_length0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_height0.870 INCHES NOMINAL IN
overall_length1.680 INCHES NOMINAL IN
actuator_height0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
mounting_methodTHREADED BUSHING
NSN5930-00-765-6398
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PUSH TITLE COMPONENT PN MS27903-3 MFR SWITCH,PUSH
KEY FEATURES
•
THREAD QUANTITY PER INCH: 32
•
BODY DIAMETER: 0.630 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
•
FEATURES PROVIDED: ACTUATOR SEAL
•
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 4.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC AND 2.000 AMPERES LAMP DC AND 4.000 AMPERES RESISTIVE AC AND 2.000 AMPERES INDUCTIVE AC AND 2.000 AMPERES LAMP AC
•
COLOR: BLACK SINGLE ACTUATOR
•
THREAD SERIES DESIGNATOR: UN
•
TEST DATA DOCUMENT: 81349-MIL-PRF-8805 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
ACTUATOR DIAMETER: 0.355 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH32
BODY DIAMETER0.630 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
FEATURES PROVIDEDACTUATOR SEAL
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE4.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC AND 2.000 AMPERES LAMP DC AND 4.000 AMPERES RESISTIVE AC AND 2.000 AMPERES INDUCTIVE AC AND 2.000 AMPERES LAMP AC
COLORBLACK SINGLE ACTUATOR
THREAD SERIES DESIGNATORUN
TEST DATA DOCUMENT81349-MIL-PRF-8805 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
ACTUATOR DIAMETER0.355 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY8 TAB, SOLDER LUG
NONPILE-UP CONTACT ARRANGEMENT2 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
MS27903-1FInterchangeable
interchangeable cross-reference
interchangeable
MS27903-05Interchangeable
interchangeable cross-reference
interchangeable
MILS6743Interchangeable
interchangeable cross-reference
interchangeable
946893-2Interchangeable
interchangeable cross-reference
interchangeable
MS27903-2Interchangeable
interchangeable cross-reference
interchangeable
870PU0010Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS27903-3?
MS27903-3 is a SWITCH,PUSH.
What parts can replace MS27903-3?
There are 14 known substitutes for MS27903-3: MS27903-1F, MS27903-05, MILS6743 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS27903-3?
MS27903-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-765-6398. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026