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77C721903P1 — SWITCH,THERMOSTATIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

77C721903P1: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include body_height: 0.437 INCHES MAXIMUM IN, thread_class: 2A SINGLE THREADED BUSHING A, terminal_type: TAB, SOLDER LUG, thread_length: 0.138 INCHES NOMINAL SINGLE THREADED BUSHING IN, overall_height: 0.680 INCHES NOMINAL IN, mounting_method: THREADED BUSHING. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-360-3145, 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
77C721903P1
NSN: 5930-01-360-3145
FSC: 5930 — Switches
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
body_height0.437 INCHES MAXIMUM IN
thread_class2A SINGLE THREADED BUSHING A
terminal_typeTAB, SOLDER LUG
thread_length0.138 INCHES NOMINAL SINGLE THREADED BUSHING IN
overall_height0.680 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
overall_diameter0.540 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
style_designatorDISC
nominal_thread_size0.138 INCHES SINGLE THREADED BUSHING IN
contact_adjustabilityACTUATION POINT NOT ADJUSTABLE
contact_action_stimulusINCREASE
contact_stimulus_rating158.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT
NSN5930-01-360-3145
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 77C721903P1 MFR SWITCH,THERMOSTATIC
KEY FEATURES
•
CONTACT ACTION STIMULUS: INCREASE
•
TERMINAL TYPE: TAB, SOLDER LUG
•
OVERALL DIAMETER: 0.540 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
•
CONTACT LOAD CURRENT RATING: 5.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
•
MOUNTING METHOD: THREADED BUSHING
•
THREAD LENGTH: 0.138 INCHES NOMINAL SINGLE THREADED BUSHING IN
•
BODY HEIGHT: 0.437 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.680 INCHES NOMINAL IN
CONTACT ACTION STIMULUSINCREASE
TERMINAL TYPETAB, SOLDER LUG
OVERALL DIAMETER0.540 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
CONTACT LOAD CURRENT RATING5.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
MOUNTING METHODTHREADED BUSHING
THREAD LENGTH0.138 INCHES NOMINAL SINGLE THREADED BUSHING IN
BODY HEIGHT0.437 INCHES MAXIMUM IN
STYLE DESIGNATORDISC
TEMP SENSING ELEMENT TYPEINTERNAL SENSOR
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 77C721903P1?
77C721903P1 is a SWITCH,THERMOSTATIC.
What is the NSN for 77C721903P1?
77C721903P1 is cataloged in the U.S. Government catalog under NSN 5930-01-360-3145. 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.