PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4149Switch,rotary

Probescope Co Inc · NSN 5930-00-477-8827 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-477-8827 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-477-8827. Primary manufacturer part number: 4149.
Features
  • Switch,rotary — FSC 5930
  • Terminal Type: TAB, SOLDER LUG
  • Nominal Thread Size: 0.375 INCHES SINGLE MOUNTING FACILITY IN
  • Contact Voltage Rating in Volts: 28.0 DC AT SEA LEVEL
  • Precious Material: SILVER
  • Overall Diameter: 1.250 INCHES NOMINAL IN
  • Switch Actuator Positioning Increment: 30.0 DEGREES SINGLE ACTUATOR
  • Contact Voltage Rating in Volts: 110.0 AC AT SEA LEVEL
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-477-8827, 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 Probescope Co Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-477-8827
Primary Part Number4149
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerProbescope Co Inc
StatusACTIVE
Terminal TypeTAB, SOLDER LUG
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL
Precious MaterialSILVER
Overall Diameter1.250 INCHES NOMINAL IN
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Contact Voltage Rating in Volts110.0 AC AT SEA LEVEL
Switch Actuator Indexing Position Quantity12 SINGLE ACTUATOR
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nonturn Device TypeTAB AT 3:00 OCLOCK
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Shaft Length0.500 INCHES NOMINAL SINGLE ACTUATOR IN
Switch Contact Basic DesignNONPILE-UP NONSYMMETRICAL
Shaft TypeROUND SINGLE ACTUATOR
Precious Material and LocationCONTACTS AND ROTOR BLADE SURFACES SILVER
Thread Class2A SINGLE MOUNTING FACILITY A
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
Nonturn Device Radius0.531 INCHES NOMINAL AT 3:00 OCLOCK IN
Individual Section Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5930-00-259-8676V-1C-1068 INTERCHANGEABLE
Switch,thermostatic
Burling Instruments, Inc.
2910-00-331-00185593247 INTERCHANGEABLE
Pump,fuel
General Motors Llc Dba General Motors Llc
5305-00-349-81734149 INTERCHANGEABLE
Screw,spring
Wakmann Watch Company Inc
5340-00-375-82654149 INTERCHANGEABLE
Plug,protective,dust and Moistur
Thermo Electron Corporation Dba Iec Centrifuge Div Laboratory Equipment Divsion
5360-00-526-2866 INTERCHANGEABLE
Spring,helical,compression
3010-00-893-1548 INTERCHANGEABLE
Gearcase-Motor
4730-01-007-71582046-4-4S INTERCHANGEABLE
Coupling,pipe
Danfoss Power Solutions II, Llc
3040-01-452-0624 INTERCHANGEABLE
Actuator,mechanical,nonaircraft
4820-01-472-8342414-9 INTERCHANGEABLE
Gear Operator,valve
Regal-Beloit Corp
4220-01-554-4489 INTERCHANGEABLE
Life Preserver,vest
Cross-Reference Index
Part NumberManufacturer
4149 Probescope Co Inc (USA)
B4149 Probescope Co Inc (USA)
274410-F4 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
Related Parts
5930-00-259-8676INTERCHANGEABLE
SWITCH,THERMOSTATIC
V-1C-1068
2910-00-331-0018INTERCHANGEABLE
PUMP,FUEL
5593247
5305-00-349-8173INTERCHANGEABLE
SCREW,SPRING
4149
5340-00-375-8265INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
4149
5360-00-526-2866INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3010-00-893-1548INTERCHANGEABLE
GEARCASE-MOTOR
4730-01-007-7158INTERCHANGEABLE
COUPLING,PIPE
2046-4-4S
3040-01-452-0624INTERCHANGEABLE
ACTUATOR,MECHANICAL,NONAIRCRAFT
4820-01-472-8342INTERCHANGEABLE
GEAR OPERATOR,VALVE
414-9
4220-01-554-4489INTERCHANGEABLE
LIFE PRESERVER,VEST

Frequently Asked Questions

What is NSN 5930-00-477-8827?

NSN 5930-00-477-8827 is a Switch,rotary, manufactured by Probescope Co Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-477-8827?

NSN 5930-00-477-8827 has 3 cross-referenced part numbers: 4149 (Probescope Co Inc), B4149 (Probescope Co Inc), 274410-F4 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).

What NSN replaces 5930-00-477-8827?

There are 10 known substitutes for 5930-00-477-8827: 5930-00-259-8676, 2910-00-331-0018, 5305-00-349-8173 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4149?

Key specifications for 4149: Terminal Type: TAB, SOLDER LUG; Overall Length: 4.594 INCHES NOMINAL IN; Nominal Thread Size: 0.375 INCHES SINGLE MOUNTING FACILITY IN; Contact Voltage Rating in Volts: 28.0 DC AT SEA LEVEL. 24 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com