PartsTable
Technical Data Sheet
PartsTable / MRO / 139541H4
139541H4 ✓ 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 shaft_type: ROUND SINGLE ACTUATOR, shaft_length: 0.750 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A, terminal_type: TAB, SOLDER LUG, thread_length: 0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN, shaft_diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR 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 5930-00-548-8609, 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→ 139541H4
NSN: 5930-00-548-8609
FSC: 5930
CAGE: 76854 — ELECTRO SWITCH CORP. DBA OAK GRISGSBY DIV ELECTROSWITCH (USA)
SPECIFICATIONS
shaft_typeROUND SINGLE ACTUATOR
shaft_length0.750 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
terminal_typeTAB, SOLDER LUG
thread_length0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
special_featuresNO CONTACTS ON SECT THREE
style_designatorCIRCULAR WAFER, BUSHING MOUNT
nominal_thread_size0.375 INCHES SINGLE MOUNTING FACILITY IN
thread_quantity_per_inch32 SINGLE MOUNTING FACILITY
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
NSN5930-00-548-8609
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 139541H4 MFR SWITCH,ROTARY
KEY FEATURES
•
SWITCH CONTACT BASIC DESIGN: NONPILE-UP SYMMETRICAL
•
THREAD QUANTITY PER INCH: 32 SINGLE MOUNTING FACILITY
•
SHAFT TYPE: ROUND SINGLE ACTUATOR
•
ROTOR THROUGH CONNECTION QUANTITY: 1 EACH SECTION
•
THREAD LENGTH: 0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
SWITCH ACTUATOR POSITIONING INCREMENT: 30.0 DEGREES SINGLE ACTUATOR
•
THREAD CLASS: 2A SINGLE MOUNTING FACILITY A
TECHNICAL CHARACTERISTICS (FLIS)
SWITCH CONTACT BASIC DESIGNNONPILE-UP SYMMETRICAL
THREAD QUANTITY PER INCH32 SINGLE MOUNTING FACILITY
SHAFT TYPEROUND SINGLE ACTUATOR
ROTOR THROUGH CONNECTION QUANTITY1 EACH SECTION
THREAD LENGTH0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
SPECIAL FEATURESNO CONTACTS ON SECT THREE
SWITCH ACTUATOR POSITIONING INCREMENT30.0 DEGREES SINGLE ACTUATOR
THREAD CLASS2A SINGLE MOUNTING FACILITY A
NOMINAL THREAD SIZE0.375 INCHES SINGLE MOUNTING FACILITY IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
53180Interchangeable
interchangeable cross-reference
interchangeable
110 1-1/4Interchangeable
interchangeable cross-reference
interchangeable
20116Interchangeable
interchangeable cross-reference
interchangeable
12279Interchangeable
interchangeable cross-reference
interchangeable
HFL-6CInterchangeable
interchangeable cross-reference
interchangeable
10626345Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 139541H4?
139541H4 is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 139541H4?
There are 10 known substitutes for 139541H4: 53180, 110 1-1/4, 20116 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 139541H4?
139541H4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-548-8609. 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