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PartsTable / COMPONENT / 55-L-4
55-L-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,ROTARY is a the manufacturer industrial component. Key specifications include shaft_type: ROUND, FLATTED SINGLE ACTUATOR, flat_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM SINGLE ACTUATOR IN, shaft_length: 0.692 INCHES NOMINAL SINGLE ACTUATOR IN, terminal_type: TURRET, thread_length: 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN, shaft_diameter: 0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM 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 5930-00-321-6987, 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
55-L-4
NSN: 5930-00-321-6987
FSC: 5930
CAGE: 07126 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP DIV DIGITRAN A UNIT OF ELECTRO SWITCH (USA)
SPECIFICATIONS
shaft_typeROUND, FLATTED SINGLE ACTUATOR
flat_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM SINGLE ACTUATOR IN
shaft_length0.692 INCHES NOMINAL SINGLE ACTUATOR IN
terminal_typeTURRET
thread_length0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
shaft_diameter0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM SINGLE ACTUATOR IN
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
special_featuresPRINTED WIRING BOARD WITH RESISTORS AND TERMINALS ATTACHED TO EACH SECTION
first_flat_length0.250 INCHES NOMINAL SINGLE ACTUATOR IN
nominal_thread_size0.375 INCHES SINGLE MOUNTING FACILITY IN
operating_temp_range-55.0 TO 105.0 CELSIUS DEGC
thread_series_designatorUNEF SINGLE MOUNTING FACILITY
NSN5930-00-321-6987
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 55-L-4 MFR SWITCH,ROTARY
KEY FEATURES
•
SHAFT TYPE: ROUND, FLATTED SINGLE ACTUATOR
•
SHAFT DIAMETER: 0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM SINGLE ACTUATOR IN
•
NOMINAL THREAD SIZE: 0.375 INCHES SINGLE MOUNTING FACILITY IN
•
DETENT ROTATIONAL TORQUE RANGE: +8.000 TO 30.000 INCH-OUNCES SINGLE ACTUATOR IN
•
CONTACT VOLTAGE RATING IN VOLTS: 115.0 AC AT SEA LEVEL
•
SWITCH ACTUATOR INDEXING POSITION QUANTITY: 9 SINGLE ACTUATOR
•
OPERATING TEMP RANGE: -55.0 TO 105.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS (FLIS)
SHAFT TYPEROUND, FLATTED SINGLE ACTUATOR
SHAFT DIAMETER0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM SINGLE ACTUATOR IN
NOMINAL THREAD SIZE0.375 INCHES SINGLE MOUNTING FACILITY IN
DETENT ROTATIONAL TORQUE RANGE+8.000 TO 30.000 INCH-OUNCES SINGLE ACTUATOR IN
SPECIAL FEATURESPRINTED WIRING BOARD WITH RESISTORS AND TERMINALS ATTACHED TO EACH SECTION
CONTACT VOLTAGE RATING IN VOLTS115.0 AC AT SEA LEVEL
SWITCH ACTUATOR INDEXING POSITION QUANTITY9 SINGLE ACTUATOR
OPERATING TEMP RANGE-55.0 TO 105.0 CELSIUS DEGC
CONTACT LOAD CURRENT RATING125.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL
SWITCH CONTACT BASIC DESIGNNONPILE-UP NONSYMMETRICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
AA59635-311JABTInterchangeable
interchangeable cross-reference
interchangeable
30411Interchangeable
interchangeable cross-reference
interchangeable
7411Interchangeable
interchangeable cross-reference
interchangeable
30529Interchangeable
interchangeable cross-reference
interchangeable
HBL7420Interchangeable
interchangeable cross-reference
interchangeable
7420Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55-L-4?
55-L-4 is a SWITCH,ROTARY.
What parts can replace 55-L-4?
There are 10 known substitutes for 55-L-4: AA59635-311JABT, 30411, 7411 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55-L-4?
55-L-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-321-6987. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026