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Technical Data Sheet
PartsTable / MRO / 31904-T
31904-T ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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,ROTARY is a the manufacturer industrial component. Key specifications include thread_class: 2A SINGLE MOUNTING FACILITY A, terminal_type: SCREW, thread_length: 0.470 INCHES NOMINAL SINGLE MOUNTING FACILITY IN, overall_length: 3.750 INCHES MAXIMUM IN, mounting_method: THREADED BUSHING SINGLE MOUNTING FACILITY, overall_diameter: 2.300 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 5930-01-157-1863, 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
MRO→ MRO_GENERAL→ 31904-T
NSN: 5930-01-157-1863
FSC: 5930
CAGE: 82121 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP (USA)
SPECIFICATIONS
thread_class2A SINGLE MOUNTING FACILITY A
terminal_typeSCREW
thread_length0.470 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_length3.750 INCHES MAXIMUM IN
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
overall_diameter2.300 INCHES MAXIMUM IN
style_designatorTAP, CIRCULAR, BUSHING MOUNT
features_providedACTUATOR KNOB
nominal_thread_size0.469 INCHES SINGLE MOUNTING FACILITY IN
operating_temp_range-65.0 TO 165.0 FAHRENHEIT DEGF
contact_switching_actionBREAKS BEFORE MAKES SECOND SECTION PERIPHERY
thread_quantity_per_inch32 SINGLE MOUNTING FACILITY
NSN5930-01-157-1863
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 31904-T MFR SWITCH,ROTARY
KEY FEATURES
•
CONTACT VOLTAGE RATING IN VOLTS: 600.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL
•
CONTACT LOAD CURRENT RATING: 3.0 AMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL
•
THREAD CLASS: 2A SINGLE MOUNTING FACILITY A
•
CONTACT SWITCHING ACTION: BREAKS BEFORE MAKES FIRST SECTION PERIPHERY
•
OVERALL DIAMETER: 2.300 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT VOLTAGE RATING IN VOLTS600.0 HIGHEST AC VOLTAGE RATING AT SEA LEVEL
OVERALL LENGTH3.750 INCHES MAXIMUM IN
CONTACT LOAD CURRENT RATING3.0 AMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL
THREAD CLASS2A SINGLE MOUNTING FACILITY A
CONTACT SWITCHING ACTIONBREAKS BEFORE MAKES FIRST SECTION PERIPHERY
CONTACT VOLTAGE RATING IN VOLTS30.0 LOWEST DC VOLTAGE RATING AT SEA LEVEL
OVERALL DIAMETER2.300 INCHES MAXIMUM IN
CONTACT SWITCHING ACTIONMAKES BEFORE BREAKS THIRD SECTION PERIPHERY
CONTACT VOLTAGE RATING IN VOLTS125.0 HIGHEST DC VOLTAGE RATING AT SEA LEVEL
INDIVIDUAL SECTION QUANTITY4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
14025Interchangeable
interchangeable cross-reference
interchangeable
10EJR7Interchangeable
interchangeable cross-reference
interchangeable
42SL25Interchangeable
interchangeable cross-reference
interchangeable
S462Interchangeable
interchangeable cross-reference
interchangeable
24544-1Interchangeable
interchangeable cross-reference
interchangeable
24544Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31904-T?
31904-T is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31904-T?
There are 10 known substitutes for 31904-T: 14025, 10EJR7, 42SL25 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31904-T?
31904-T is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-01-157-1863. 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