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K840 — SWITCH,ROTARY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

K840: SWITCH,ROTARY.

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: 1.125 INCHES NOMINAL SINGLE ACTUATOR IN, terminal_type: TAB, SOLDER LUG, overall_length: 2.125 INCHES NOMINAL IN, shaft_diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-477-8733, 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
K840
NSN: 5930-00-477-8733
FSC: 5930 — Switches
CAGE: 31356 — LEE CO THE J B T DIV (USA)
SPECIFICATIONS
shaft_typeROUND, FLATTED SINGLE ACTUATOR
flat_height0.216 INCHES NOMINAL SINGLE ACTUATOR IN
shaft_length1.125 INCHES NOMINAL SINGLE ACTUATOR IN
terminal_typeTAB, SOLDER LUG
overall_length2.125 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
overall_diameter1.094 INCHES NOMINAL IN
style_designatorTAP, CIRCULAR, BUSHING MOUNT
first_flat_length0.312 INCHES NOMINAL SINGLE ACTUATOR IN
contact_load_current_rating1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
individual_section_quantity2
NSN5930-00-477-8733
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,ROTARY TITLE COMPONENT PN K840 MFR SWITCH,ROTARY
KEY FEATURES
•
SHAFT TYPE: ROUND, FLATTED SINGLE ACTUATOR
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN
•
SWITCH CONTACT BASIC DESIGN: NONPILE-UP SYMMETRICAL
•
TERMINAL TYPE: TAB, SOLDER LUG
•
OVERALL DIAMETER: 1.094 INCHES NOMINAL IN
•
FIRST FLAT LENGTH: 0.312 INCHES NOMINAL SINGLE ACTUATOR IN
•
CONTACT LOAD CURRENT RATING: 1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
TECHNICAL CHARACTERISTICS
SHAFT TYPEROUND, FLATTED SINGLE ACTUATOR
SHAFT DIAMETER0.250 INCHES NOMINAL SINGLE ACTUATOR IN
SWITCH CONTACT BASIC DESIGNNONPILE-UP SYMMETRICAL
TERMINAL TYPETAB, SOLDER LUG
OVERALL DIAMETER1.094 INCHES NOMINAL IN
FIRST FLAT LENGTH0.312 INCHES NOMINAL SINGLE ACTUATOR IN
CONTACT LOAD CURRENT RATING1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
CONTACT LOAD CURRENT RATING0.5 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
MOUNTING METHODTHREADED BUSHING SINGLE MOUNTING FACILITY
STYLE DESIGNATORTAP, CIRCULAR, BUSHING MOUNT
SUBSTITUTES & CROSS-REFERENCES 1
60750-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is K840?
K840 is a SWITCH,ROTARY.
What parts can replace K840?
There is 1 known substitute for K840: 60750-2. Substitute compatibility should be verified for your specific system.
What is the NSN for K840?
K840 is cataloged in the U.S. Government catalog under NSN 5930-00-477-8733. 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.