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D2278 — SWITCH,THERMOSTATIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

D2278: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include bulb_length: 4.000 INCHES NOMINAL IN, bulb_diameter: 0.375 INCHES NOMINAL IN, overall_width: 2.500 INCHES NOMINAL IN, terminal_type: TAB W/SCREW, overall_height: 1.875 INCHES NOMINAL IN, overall_length: 2.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-232-3372, 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
D2278
NSN: 5930-00-232-3372
FSC: 5930 — Switches
CAGE: 30793 — INSINGER MACHINE CO (USA)
SPECIFICATIONS
bulb_length4.000 INCHES NOMINAL IN
bulb_diameter0.375 INCHES NOMINAL IN
overall_width2.500 INCHES NOMINAL IN
terminal_typeTAB W/SCREW
overall_height1.875 INCHES NOMINAL IN
overall_length2.875 INCHES NOMINAL IN
mounting_methodBRACKET(S) AND SLOT
special_featuresFURNISHED W/COUPLING
mounting_slot_width0.188 INCHES NOMINAL IN
capillary_tube_length36.0 INCHES NOMINAL IN
contact_adjustabilityACTUATION POINT ADJUSTABLE
contact_adjustment_typeEXTERNAL ACTUATION POINT DIAL
NSN5930-00-232-3372
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN D2278 MFR SWITCH,THERMOSTATIC
KEY FEATURES
•
TERMINAL TYPE: TAB W/SCREW
•
MOUNTING FACILITY PATTERN: TWO POSITION IN-LINE
•
BULB LENGTH: 4.000 INCHES NOMINAL IN
•
BULB DIAMETER: 0.375 INCHES NOMINAL IN
•
MOUNTING METHOD: BRACKET(S) AND SLOT
•
CONTACT ADJUSTMENT RANGE: +100.00 TO 200.00 ACTUATION POINT DEGREES FAHRENHEIT
•
TEMP SENSING ELEMENT TYPE: CAPILLARY TUBE-BULB
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.875 INCHES NOMINAL IN
TERMINAL TYPETAB W/SCREW
MOUNTING FACILITY PATTERNTWO POSITION IN-LINE
BULB LENGTH4.000 INCHES NOMINAL IN
BULB DIAMETER0.375 INCHES NOMINAL IN
MOUNTING METHODBRACKET(S) AND SLOT
CONTACT ADJUSTMENT RANGE+100.00 TO 200.00 ACTUATION POINT DEGREES FAHRENHEIT
TEMP SENSING ELEMENT TYPECAPILLARY TUBE-BULB
OVERALL LENGTH2.875 INCHES NOMINAL IN
OVERALL WIDTH2.500 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

No substitute or cross-reference records for this part.

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 D2278?
D2278 is a SWITCH,THERMOSTATIC.
What is the NSN for D2278?
D2278 is cataloged in the U.S. Government catalog under NSN 5930-00-232-3372. 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.