PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMA544666Switch,rotary

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5930-00-919-4475 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-919-4475 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-919-4475. Primary manufacturer part number: SMA544666.
Features
  • Switch,rotary — FSC 5930
  • Style Designator: CIRCULAR WAFER, BUSHING MOUNT
  • Flat Height: 0.218 INCHES NOMINAL FIRST ACTUATOR IN
  • Terminal Type: TAB, SOLDER LUG
  • Operating Temp Range: -65.0 TO 100.0 CELSIUS DEGC
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
  • Switch Contact Basic Design: NONPILE-UP SYMMETRICAL AND NONPILE-UP NONSYMMETRICAL
  • Precious Material: SILVER
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-919-4475, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-919-4475
Primary Part NumberSMA544666
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusCANCELLED
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Flat Height0.218 INCHES NOMINAL FIRST ACTUATOR IN
Terminal TypeTAB, SOLDER LUG
Operating Temp Range-65.0 TO 100.0 CELSIUS DEGC
Thread Class2A SINGLE MOUNTING FACILITY A
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL AND NONPILE-UP NONSYMMETRICAL
Precious MaterialSILVER
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Flat Height0.093 INCHES NOMINAL SECOND ACTUATOR IN
Contact Load Current Rating0.5 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
First Flat Length0.375 INCHES NOMINAL FIRST ACTUATOR IN
Shaft Diameter0.125 INCHES NOMINAL SECOND ACTUATOR IN
Shaft TypeROUND, HOLLOWED, FLATTED FIRST ACTUATOR
Switch Actuator Indexing Position Quantity8 ALL ACTUATORS
Switch Actuator Positioning Increment30.0 DEGREES ALL ACTUATORS
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Shaft TypeROUND, FLATTED SECOND ACTUATOR
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Shaft Length0.338 INCHES NOMINAL SECOND ACTUATOR IN
Nonturn Device Radius0.375 INCHES NOMINAL AT 3:00 OCLOCK IN
Shaft Length0.437 INCHES NOMINAL FIRST ACTUATOR IN
Individual Section Quantity2
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5110-00-190-0972 INTERCHANGEABLE
Blade Set,gasket Cu
4730-00-230-87541095-6-6S INTERCHANGEABLE
Elbow,pipe
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5340-00-328-96921179 INTERCHANGEABLE
Key Blank
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2590-00-345-8789K2 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
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2330-00-349-2624K2 INTERCHANGEABLE
Trailer,stake
Chore-Boy Div Cego Inc
6610-00-459-9607K-2 INTERCHANGEABLE
Pointers,rate of Tu
Phaostron Instrument and Electronic Company
1377-00-494-1344K2 INTERCHANGEABLE
Pin,firing
Mine Safety Appliances Company
6760-00-607-4861 INTERCHANGEABLE
Control,vertical Ca
2330-00-722-1416 INTERCHANGEABLE
Trailer,stake
4520-00-944-2468SM-B-538624-1 INTERCHANGEABLE
Control,damper
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
SMA544666 Itt Industries Inc Itt Aerospace Communications Div East (USA)
K2 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
SMA544666 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
SMA544666 L3harris Technologies, Inc. Dba Harris Corporation (USA)
5-23823-116 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
Related Parts
5110-00-190-0972INTERCHANGEABLE
BLADE SET,GASKET CU
4730-00-230-8754INTERCHANGEABLE
ELBOW,PIPE
1095-6-6S
5340-00-328-9692INTERCHANGEABLE
KEY BLANK
1179
2590-00-345-8789INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
K2
2330-00-349-2624INTERCHANGEABLE
TRAILER,STAKE
K2
6610-00-459-9607INTERCHANGEABLE
POINTERS,RATE OF TU
K-2
1377-00-494-1344INTERCHANGEABLE
PIN,FIRING
K2
6760-00-607-4861INTERCHANGEABLE
CONTROL,VERTICAL CA
2330-00-722-1416INTERCHANGEABLE
TRAILER,STAKE
4520-00-944-2468INTERCHANGEABLE
CONTROL,DAMPER
SM-B-538624-1
3455-00-953-5991INTERCHANGEABLE
BLADE SET,SQUARING
900022-45
3460-01-018-4218INTERCHANGEABLE
KEY,DRILL CHUCK
153601

Frequently Asked Questions

What is NSN 5930-00-919-4475?

NSN 5930-00-919-4475 is a Switch,rotary, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-919-4475?

NSN 5930-00-919-4475 has 5 cross-referenced part numbers: SMA544666 (Itt Industries Inc Itt Aerospace Communications Div East), K2 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), SMA544666 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), SMA544666 (L3harris Technologies, Inc. Dba Harris Corporation), 5-23823-116 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).

What NSN replaces 5930-00-919-4475?

There are 12 known substitutes for 5930-00-919-4475: 5110-00-190-0972, 4730-00-230-8754, 5340-00-328-9692 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMA544666?

Key specifications for SMA544666: Style Designator: CIRCULAR WAFER, BUSHING MOUNT; Flat Height: 0.218 INCHES NOMINAL FIRST ACTUATOR IN; Terminal Type: TAB, SOLDER LUG; Operating Temp Range: -65.0 TO 100.0 CELSIUS DEGC. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-919-4475 still in active supply?

NSN 5930-00-919-4475 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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