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Technical Data Sheet
PartsTable / COMPONENT / MT-4R
MT-4R ✓ 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 material: PLASTIC CASE, body_style: HOLE MOUNTED, body_width: 0.680 INCHES NOMINAL IN, body_height: 0.880 INCHES NOMINAL IN, body_length: 1.950 INCHES NOMINAL IN, overall_width: 0.680 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-845-0639, 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
MT-4R
NSN: 5930-00-845-0639
FSC: 5930
CAGE: 91929 — HONEYWELL INTERNATIONAL INC. DBA HONEYWEEL SENSING & CONTROLS (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleHOLE MOUNTED
body_width0.680 INCHES NOMINAL IN
body_height0.880 INCHES NOMINAL IN
body_length1.950 INCHES NOMINAL IN
overall_width0.680 INCHES NOMINAL IN
actuator_styleROUND
inclosure_typeFULLY INCLOSED
overall_height0.915 INCHES NOMINAL IN
overall_length1.950 INCHES NOMINAL IN
actuator_height0.055 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
NSN5930-00-845-0639
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,SENSITIVE TITLE COMPONENT PN MT-4R MFR SWITCH,SENSITIVE
KEY FEATURES
•
BODY HEIGHT: 0.880 INCHES NOMINAL IN
•
BODY WIDTH: 0.687 INCHES NOMINAL IN
•
BODY LENGTH: 1.940 INCHES NOMINAL IN
•
NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
•
SWITCH ACTUATING FORCE: 12.0 OUNCES MINIMUM AND 18.0 OUNCES MAXIMUM OZ
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
ACTUATOR DIAMETER: 0.094 INCHES NOMINAL IN
•
ACTUATOR FREE POSITION HEIGHT: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY HEIGHT0.880 INCHES NOMINAL IN
BODY WIDTH0.687 INCHES NOMINAL IN
BODY LENGTH1.940 INCHES NOMINAL IN
NONPILE-UP CONTACT ARRANGEMENT1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
SWITCH ACTUATING FORCE12.0 OUNCES MINIMUM AND 18.0 OUNCES MAXIMUM OZ
MOUNTING METHODUNTHREADED HOLE(S)
ACTUATOR DIAMETER0.094 INCHES NOMINAL IN
ACTUATOR FREE POSITION HEIGHT0.625 INCHES NOMINAL IN
MAXIMUM VOLTAGE RATING IN VOLTS250.0 DC
ACTUATOR STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
949Interchangeable
interchangeable cross-reference
interchangeable
MT-4RInterchangeable
interchangeable cross-reference
interchangeable
334592Interchangeable
interchangeable cross-reference
interchangeable
ES2338-01Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MT-4R?
MT-4R is a SWITCH,SENSITIVE.
What parts can replace MT-4R?
There are 4 known substitutes for MT-4R: 949, MT-4R, 334592 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MT-4R?
MT-4R is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-845-0639. 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