PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5105-121483Switch,rotary

Fluke Corp · NSN 5930-00-078-3579 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-078-3579 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-078-3579. Primary manufacturer part number: 5105-121483.
Features
  • Switch,rotary — FSC 5930
  • Thread Series Designator: UNEF SINGLE MOUNTING FACILITY
  • Style Designator: CIRCULAR WAFER, BUSHING MOUNT
  • Contact Load Current Rating: 500.0 MILLIAMPERES RESISTIVE LOAD LOWEST DC VOLTAGE RATING AT SEA LEVEL
  • Individual Section Quantity: 3
  • Detent Rotational Torque Range: +20.000 TO 40.000 INCH-OUNCES SINGLE ACTUATOR IN
  • Switch Actuator Indexing Position Quantity: 6 SINGLE ACTUATOR
  • Contact Voltage Rating in Volts: 125.0 LOWEST DC VOLTAGE RATING AT SEA LEVEL
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-078-3579, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Fluke Corp. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-078-3579
Primary Part Number5105-121483
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerFluke Corp
StatusACTIVE
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD LOWEST DC VOLTAGE RATING AT SEA LEVEL
Individual Section Quantity3
Detent Rotational Torque Range+20.000 TO 40.000 INCH-OUNCES SINGLE ACTUATOR IN
Switch Actuator Indexing Position Quantity6 SINGLE ACTUATOR
Contact Voltage Rating in Volts125.0 LOWEST DC VOLTAGE RATING AT SEA LEVEL
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Contact Load Current Rating750.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
Thread Class2A SINGLE MOUNTING FACILITY A
Shaft Length0.500 INCHES NOMINAL SINGLE ACTUATOR IN
Contact Load Current Rating250.0 MILLIAMPERES RESISTIVE LOAD HIGHEST DC VOLTAGE RATING AT SEA LEVEL
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Shaft TypeROUND SINGLE ACTUATOR
Nonturn Device TypeTAB AT 3:00 OCLOCK
Nonturn Device Radius0.531 INCHES NOMINAL AT 3:00 OCLOCK IN
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Operating Temp Range-65.0 TO 125.0 CELSIUS DEGC
Contact Voltage Rating in Volts125.0 AC AT SEA LEVEL
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Contact Voltage Rating in Volts250.0 HIGHEST DC VOLTAGE RATING AT SEA LEVEL
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-100-0733 INTERCHANGEABLE
Cone and Rollers,tapered Roller
3040-01-339-3511 INTERCHANGEABLE
Collar,shaft
Cross-Reference Index
Part NumberManufacturer
51269B Cts Corp of California Dba Cts Electronics Corp Paso Robles Div Electromechanical Group (USA)
51269C3-215 Cts Corp of California Dba Cts Electronics Corp Paso Robles Div Electromechanical Group (USA)
821A804 Fluke Corp (USA)
5105-121483 PRIMARY Fluke Corp (USA)
121483 Fluke Corp (USA)
Related Parts
3110-00-100-0733INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3040-01-339-3511INTERCHANGEABLE
COLLAR,SHAFT

Frequently Asked Questions

What is NSN 5930-00-078-3579?

NSN 5930-00-078-3579 is a Switch,rotary, manufactured by Fluke Corp, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-078-3579?

NSN 5930-00-078-3579 has 5 cross-referenced part numbers: 51269B (Cts Corp of California Dba Cts Electronics Corp Paso Robles Div Electromechanical Group), 51269C3-215 (Cts Corp of California Dba Cts Electronics Corp Paso Robles Div Electromechanical Group), 821A804 (Fluke Corp), 5105-121483 (Fluke Corp), 121483 (Fluke Corp).

What NSN replaces 5930-00-078-3579?

There are 2 known substitutes for 5930-00-078-3579: 3110-00-100-0733, 3040-01-339-3511. Verify interchangeability with system specifications before substitution.

What are the specifications of 5105-121483?

Key specifications for 5105-121483: Thread Series Designator: UNEF SINGLE MOUNTING FACILITY; Style Designator: CIRCULAR WAFER, BUSHING MOUNT; Contact Load Current Rating: 500.0 MILLIAMPERES RESISTIVE LOAD LOWEST DC VOLTAGE RATING AT SEA LEVEL; Special Features: DUMMY CONTACTS ON THIRD SECTION. 28 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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