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Technical Data Sheet
MS21994-1 ✓ 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: 0.216 INCHES NOMINAL SINGLE ACTUATOR IN, shaft_length: 0.531 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A, pole_quantity: 1 EACH SECTION FRONT, terminal_type: TAB W/SCREW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-481-1893, 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
MS21994-1
NSN: 5930-00-481-1893
FSC: 5930
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
shaft_typeROUND, FLATTED SINGLE ACTUATOR
flat_height0.216 INCHES NOMINAL SINGLE ACTUATOR IN
shaft_length0.531 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
pole_quantity1 EACH SECTION FRONT
terminal_typeTAB W/SCREW
thread_length0.469 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_length2.897 INCHES NOMINAL IN
shaft_diameter0.247 INCHES NOMINAL SINGLE ACTUATOR IN
throw_quantity3 EACH SECTION FRONT
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
overall_diameter1.950 INCHES MAXIMUM IN
NSN5930-00-481-1893
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN MS21994-1 MFR SWITCH,ROTARY
KEY FEATURES
THREAD LENGTH: 0.469 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
SWITCH ACTUATOR STOP DEVICE TYPE: FIXED STOP SINGLE ACTUATOR
FLAT HEIGHT: 0.216 INCHES NOMINAL SINGLE ACTUATOR IN
THREAD CLASS: 2A SINGLE MOUNTING FACILITY A
OPERATING TEMP RANGE: -55.0 TO 85.0 CELSIUS DEGC
INDIVIDUAL SECTION QUANTITY: 2
DETENT ROTATIONAL TORQUE RANGE: +0.500 TO 6.000 INCH-POUNDS SINGLE ACTUATOR IN
PRECIOUS MATERIAL: SILVER
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.469 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
SWITCH ACTUATOR STOP DEVICE TYPEFIXED STOP SINGLE ACTUATOR
FLAT HEIGHT0.216 INCHES NOMINAL SINGLE ACTUATOR IN
THREAD CLASS2A SINGLE MOUNTING FACILITY A
OPERATING TEMP RANGE-55.0 TO 85.0 CELSIUS DEGC
INDIVIDUAL SECTION QUANTITY2
DETENT ROTATIONAL TORQUE RANGE+0.500 TO 6.000 INCH-POUNDS SINGLE ACTUATOR IN
PRECIOUS MATERIALSILVER
CONTACT VOLTAGE RATING IN VOLTS115.0 LOWEST AC VOLTAGE RATING AT SEA LEVEL
SWITCH ACTUATOR INDEXING POSITION QUANTITY4 SINGLE ACTUATOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
MS25002-22Interchangeable
interchangeable cross-reference
interchangeable
MILS6807Interchangeable
interchangeable cross-reference
interchangeable
308P194Interchangeable
interchangeable cross-reference
interchangeable
7262K12Interchangeable
interchangeable cross-reference
interchangeable
7263K13Interchangeable
interchangeable cross-reference
interchangeable
MS25002-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21994-1?
MS21994-1 is a SWITCH,ROTARY.
What parts can replace MS21994-1?
There are 25 known substitutes for MS21994-1: MS25002-22, MILS6807, 308P194 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21994-1?
MS21994-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-481-1893. This indicates validated use in U.S. government and defense supply chains.
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