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Technical Data Sheet
PartsTable / COMPONENT / MS25040-4
MS25040-4 ✓ 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,SENSITIVE is a the manufacturer industrial component. Key specifications include body_style: HOLE MOUNTED, housing_width: 1.204 INCHES MINIMUM AND 1.234 INCHES MAXIMUM IN, actuator_style: ROLLER ARM, housing_height: 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN, housing_length: 2.485 INCHES MINIMUM AND 2.515 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-669-8044, 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
MS25040-4
NSN: 5930-00-669-8044
FSC: 5930
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_styleHOLE MOUNTED
housing_width1.204 INCHES MINIMUM AND 1.234 INCHES MAXIMUM IN
actuator_styleROLLER ARM
housing_height1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN
housing_length2.485 INCHES MINIMUM AND 2.515 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
actuator_length1.828 INCHES MINIMUM AND 1.858 INCHES MAXIMUM IN
switch_actuating_force64.0 OUNCES MINIMUM AND 66.0 OUNCES MAXIMUM OZ
actuator_roller_diameter0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
terminal_type_and_quantity1 CONNECTOR, RECEPTACLE
actuator_free_position_height3.100 INCHES MAXIMUM IN
nonpile-up_contact_arrangement2 POLE, DOUBLE THROW, TWO POSITIONS MOMENTARY SINGLE SWITCH UNIT
NSN5930-00-669-8044
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,SENSITIVE TITLE COMPONENT PN MS25040-4 MFR SWITCH,SENSITIVE
KEY FEATURES
•
ACTUATOR LENGTH: 1.828 INCHES MINIMUM AND 1.858 INCHES MAXIMUM IN
•
ACTUATOR ROLLER DIAMETER: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
HOUSING LENGTH: 2.485 INCHES MINIMUM AND 2.515 INCHES MAXIMUM IN
•
NONPILE-UP CONTACT ARRANGEMENT: 2 POLE, DOUBLE THROW, TWO POSITIONS MOMENTARY SINGLE SWITCH UNIT
•
TEST DATA DOCUMENT: 81349-MIL-S-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.).
•
SWITCH ACTUATING FORCE: 64.0 OUNCES MINIMUM AND 66.0 OUNCES MAXIMUM OZ
•
TERMINAL TYPE AND QUANTITY: 1 CONNECTOR, RECEPTACLE
•
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 15.000 AMPERES RESISTIVE DC AND 10.000 AMPERES INDUCTIVE DC AND 5.000 AMPERES LAMP DC AND 10.000 AMPERES RESISTIVE AC AND 10.000 AMPERES INDUCTIVE AC AND 6.000 AMPERES LAMP AC
TECHNICAL CHARACTERISTICS (FLIS)
ACTUATOR LENGTH1.828 INCHES MINIMUM AND 1.858 INCHES MAXIMUM IN
ACTUATOR ROLLER DIAMETER0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
HOUSING LENGTH2.485 INCHES MINIMUM AND 2.515 INCHES MAXIMUM IN
NONPILE-UP CONTACT ARRANGEMENT2 POLE, DOUBLE THROW, TWO POSITIONS MOMENTARY SINGLE SWITCH UNIT
TEST DATA DOCUMENT81349-MIL-S-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.).
SWITCH ACTUATING FORCE64.0 OUNCES MINIMUM AND 66.0 OUNCES MAXIMUM OZ
TERMINAL TYPE AND QUANTITY1 CONNECTOR, RECEPTACLE
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE15.000 AMPERES RESISTIVE DC AND 10.000 AMPERES INDUCTIVE DC AND 5.000 AMPERES LAMP DC AND 10.000 AMPERES RESISTIVE AC AND 10.000 AMPERES INDUCTIVE AC AND 6.000 AMPERES LAMP AC
ACTUATOR FREE POSITION HEIGHT3.100 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN HOUSING MOUNTING FACILITIES PARALLEL TO HEIGHT1.548 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
MIL-PRF-8805/50Interchangeable
interchangeable cross-reference
interchangeable
MS25040-3Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-8805/50Interchangeable
interchangeable cross-reference
interchangeable
MS25040-2Interchangeable
interchangeable cross-reference
interchangeable
H1-3Interchangeable
interchangeable cross-reference
interchangeable
DMS 81010BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS25040-4?
MS25040-4 is a SWITCH,SENSITIVE.
What parts can replace MS25040-4?
There are 6 known substitutes for MS25040-4: MIL-PRF-8805/50, MS25040-3, MIL-S-8805/50 and 3 more. Substitute compatibility should be verified for your specific system.
Is MS25040-4 still available?
MS25040-4 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