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989C578H16 — SWITCH,THERMOSTATIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

989C578H16: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include body_length: 2.250 INCHES NOMINAL IN, bulb_length: 1.812 INCHES NOMINAL IN, thread_class: 3A SINGLE THREADED BUSHING A, body_diameter: 0.250 INCHES NOMINAL IN, bulb_diameter: 0.250 INCHES NOMINAL IN, terminal_type: TAB W/SCREW. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-062-2007, 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
989C578H16
NSN: 5930-01-062-2007
FSC: 5930 — Switches
CAGE: 18323 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA ELECTRONIC SYSTEMS (USA)
SPECIFICATIONS
body_length2.250 INCHES NOMINAL IN
bulb_length1.812 INCHES NOMINAL IN
thread_class3A SINGLE THREADED BUSHING A
body_diameter0.250 INCHES NOMINAL IN
bulb_diameter0.250 INCHES NOMINAL IN
terminal_typeTAB W/SCREW
thread_length0.438 INCHES NOMINAL SINGLE THREADED BUSHING IN
overall_length3.750 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
style_designatorCYLINDRICAL W/FLANGE
width_across_flats0.875 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES SINGLE THREADED BUSHING IN
NSN5930-01-062-2007
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 989C578H16 MFR SWITCH,THERMOSTATIC
KEY FEATURES
•
BODY DIAMETER: 0.250 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.875 INCHES NOMINAL IN
•
CONTACT ACTION STIMULUS: DECREASE
•
TERMINAL TYPE: TAB W/SCREW
•
BULB LENGTH: 1.812 INCHES NOMINAL IN
•
BULB DIAMETER: 0.250 INCHES NOMINAL IN
•
CONTACT LOAD CURRENT RATING: 1.5 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
•
MOUNTING METHOD: THREADED BUSHING
TECHNICAL CHARACTERISTICS
BODY DIAMETER0.250 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.875 INCHES NOMINAL IN
CONTACT ACTION STIMULUSDECREASE
TERMINAL TYPETAB W/SCREW
BULB LENGTH1.812 INCHES NOMINAL IN
BULB DIAMETER0.250 INCHES NOMINAL IN
CONTACT LOAD CURRENT RATING1.5 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
MOUNTING METHODTHREADED BUSHING
THREAD LENGTH0.438 INCHES NOMINAL SINGLE THREADED BUSHING IN
STYLE DESIGNATORCYLINDRICAL W/FLANGE
SUBSTITUTES & CROSS-REFERENCES 2
X1010-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
P6718-1-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 989C578H16?
989C578H16 is a SWITCH,THERMOSTATIC.
What parts can replace 989C578H16?
There are 2 known substitutes for 989C578H16: X1010-3, P6718-1-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 989C578H16?
989C578H16 is cataloged in the U.S. Government catalog under NSN 5930-01-062-2007. 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.