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C12-5240 — SWITCH,THERMOSTATIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

C12-5240: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include body_width: 1.438 INCHES NOMINAL IN, body_height: 1.625 INCHES NOMINAL IN, bulb_length: 6.500 INCHES NOMINAL IN, bulb_diameter: 0.375 INCHES NOMINAL IN, overall_width: 1.625 INCHES NOMINAL IN, terminal_type: TAB, SOLDER LUG. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-040-1643, 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
C12-5240
NSN: 5930-00-040-1643
FSC: 5930 — Switches
CAGE: 50992 — RANCO INC RANCO CONTROLS DIV (USA)
SPECIFICATIONS
body_width1.438 INCHES NOMINAL IN
body_height1.625 INCHES NOMINAL IN
bulb_length6.500 INCHES NOMINAL IN
bulb_diameter0.375 INCHES NOMINAL IN
overall_width1.625 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
overall_height2.250 INCHES NOMINAL IN
overall_length2.500 INCHES NOMINAL IN
mounting_methodBRACKET(S) AND UNTHREADED HOLE(S)
capillary_tube_length20.0 INCHES NOMINAL IN
contact_adjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
operating_temp_rating205.0 FAHRENHEIT MAXIMUM DEGF
NSN5930-00-040-1643
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN C12-5240 MFR SWITCH,THERMOSTATIC
KEY FEATURES
•
CONTACT ACTION STIMULUS: INCREASE
•
TERMINAL TYPE: TAB, SOLDER LUG
•
MOUNTING FACILITY PATTERN: TWO POSITION DIAGONAL
•
BULB LENGTH: 6.500 INCHES NOMINAL IN
•
BULB DIAMETER: 0.375 INCHES NOMINAL IN
•
MOUNTING METHOD: BRACKET(S) AND UNTHREADED HOLE(S)
•
BODY WIDTH: 1.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.250 INCHES NOMINAL IN
CONTACT ACTION STIMULUSINCREASE
TERMINAL TYPETAB, SOLDER LUG
MOUNTING FACILITY PATTERNTWO POSITION DIAGONAL
BULB LENGTH6.500 INCHES NOMINAL IN
BULB DIAMETER0.375 INCHES NOMINAL IN
MOUNTING METHODBRACKET(S) AND UNTHREADED HOLE(S)
BODY WIDTH1.438 INCHES NOMINAL IN
BODY HEIGHT1.625 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5930 — Switches
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5930-00-000-0117 5930-00-001-1407 5930-00-001-1890 5930-00-001-2571 5930-00-001-2575 5930-00-001-2580 5930-00-001-2608 5930-00-001-2609
SUBSTITUTES & CROSS-REFERENCES 1
9920332Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C12-5240?
C12-5240 is a SWITCH,THERMOSTATIC.
What parts can replace C12-5240?
There is 1 known substitute for C12-5240: 9920332. Substitute compatibility should be verified for your specific system.
What is the NSN for C12-5240?
C12-5240 is cataloged in the U.S. Government catalog under NSN 5930-00-040-1643. 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.