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491995 — SWITCH,ROTARY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

491995: SWITCH,ROTARY.

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631, shaft_type: ROUND SINGLE ACTUATOR, shaft_length: 0.750 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A, pole_quantity: 1 SINGLE SECTION FRONT, terminal_type: TAB, SOLDER LUG. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-197-2285, 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
491995
NSN: 5930-00-197-2285
NIINs: 001972285, 009203609
FSC: 5930 — Switches
CAGE: 91812 — JANCO CORPORATION DBA JANCO CORP DIV MASON CONTROLS (USA)
SPECIFICATIONS
materialSTEEL COMP 631
shaft_typeROUND SINGLE ACTUATOR
shaft_length0.750 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
pole_quantity1 SINGLE SECTION FRONT
terminal_typeTAB, SOLDER LUG
thread_length0.410 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_height1.040 INCHES MINIMUM AND 1.080 INCHES MAXIMUM IN
overall_length1.810 INCHES MAXIMUM IN
shaft_diameter0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM SINGLE ACTUATOR IN
throw_quantity7 SINGLE SECTION REAR
mounting_methodTHREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY
NSN5930-00-197-2285
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN 491995 MFR SWITCH,ROTARY
KEY FEATURES
•
SHAFT TYPE: ROUND SINGLE ACTUATOR
•
SHAFT DIAMETER: 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM SINGLE ACTUATOR IN
•
SWITCH CONTACT BASIC DESIGN: NONPILE-UP SYMMETRICAL
•
TERMINAL TYPE: TAB, SOLDER LUG
•
OVERALL DIAMETER: 1.114 INCHES MAXIMUM IN
•
ROTOR THROUGH CONNECTION QUANTITY: 1 SINGLE SECTION
•
CONTACT LOAD CURRENT RATING: 5.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
TECHNICAL CHARACTERISTICS
SHAFT TYPEROUND SINGLE ACTUATOR
SHAFT DIAMETER0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM SINGLE ACTUATOR IN
SWITCH CONTACT BASIC DESIGNNONPILE-UP SYMMETRICAL
TERMINAL TYPETAB, SOLDER LUG
OVERALL DIAMETER1.114 INCHES MAXIMUM IN
ROTOR THROUGH CONNECTION QUANTITY1 SINGLE SECTION
CONTACT LOAD CURRENT RATING5.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
CONTACT LOAD CURRENT RATING5.0 AMPERES RESISTIVE LOAD AND 2.5 AMPERES INDUCTIVE LOAD DC AT SEA LEVEL
MOUNTING METHODTHREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY
THREAD LENGTH0.410 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 491995?
491995 is a SWITCH,ROTARY.
What is the NSN for 491995?
491995 is cataloged in the U.S. Government catalog under NSN 5930-00-197-2285. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.