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Technical Data Sheet
PartsTable / COMPONENT / MS27993-4
MS27993-4 ✓ 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, body_width: 0.345 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN, body_height: 0.490 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN, actuator_style: ROUND, inclosure_type: FULLY INCLOSED, overall_length: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM 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 5930-00-124-0056, 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
MS27993-4
NSN: 5930-00-124-0056
FSC: 5930
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_styleHOLE MOUNTED
body_width0.345 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
body_height0.490 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
actuator_styleROUND
inclosure_typeFULLY INCLOSED
overall_length0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
mounting_methodTHREADED HOLE(S)
switch_release_force6.0 OUNCES MINIMUM OZ
switch_actuating_force22.0 OUNCES MAXIMUM OZ
terminal_type_and_quantity3 TAB, SOLDER LUG
actuator_free_position_height0.446 INCHES MAXIMUM IN
nonpile-up_contact_arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
NSN5930-00-124-0056
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,SENSITIVE TITLE COMPONENT PN MS27993-4 MFR SWITCH,SENSITIVE
KEY FEATURES
•
ACTUATOR STYLE: ROUND
•
NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
•
SWITCH RELEASE FORCE: 6.0 OUNCES MINIMUM OZ
•
SWITCH ACTUATING FORCE: 22.0 OUNCES MAXIMUM OZ
•
MAXIMUM VOLTAGE RATING IN VOLTS: 115.0 AC AND 28.0 DC
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
ACTUATOR FREE POSITION HEIGHT: 0.446 INCHES MAXIMUM IN
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
ACTUATOR STYLEROUND
NONPILE-UP CONTACT ARRANGEMENT1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
SWITCH RELEASE FORCE6.0 OUNCES MINIMUM OZ
SWITCH ACTUATING FORCE22.0 OUNCES MAXIMUM OZ
MAXIMUM VOLTAGE RATING IN VOLTS115.0 AC AND 28.0 DC
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
ACTUATOR FREE POSITION HEIGHT0.446 INCHES MAXIMUM IN
UNTHREADED MOUNTING HOLE DIAMETER0.084 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
MOUNTING METHODTHREADED HOLE(S)
BODY STYLEHOLE MOUNTED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
MS27993-8Interchangeable
interchangeable cross-reference
interchangeable
6146-2Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-8805/1Interchangeable
interchangeable cross-reference
interchangeable
MILS8805-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-8805Interchangeable
interchangeable cross-reference
interchangeable
MS27993-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS27993-4?
MS27993-4 is a SWITCH,SENSITIVE.
What parts can replace MS27993-4?
There are 20 known substitutes for MS27993-4: MS27993-8, 6146-2, MIL-PRF-8805/1 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS27993-4?
MS27993-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-124-0056. 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