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721857-19 — SWITCH,THERMOSTATIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

721857-19: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include body_length: 2.750 INCHES NOMINAL IN, body_diameter: 0.500 INCHES NOMINAL IN, overall_width: 1.437 INCHES NOMINAL IN, terminal_type: TAB, SOLDER LUG, overall_height: 0.500 INCHES NOMINAL IN, overall_length: 3.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-145-0087, 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
721857-19
NSN: 5930-01-145-0087
FSC: 5930 — Switches
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
body_length2.750 INCHES NOMINAL IN
body_diameter0.500 INCHES NOMINAL IN
overall_width1.437 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
overall_height0.500 INCHES NOMINAL IN
overall_length3.062 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
contact_adjustabilityACTUATION POINT NOT ADJUSTABLE
contact_action_stimulusINCREASE
contact_stimulus_rating55.00 ACTUATION POINT NOMINAL DEGREES CELSIUS
mounting_facility_patternTWO POSITION IN-LINE
nonpile-up_contact_arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
NSN5930-01-145-0087
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 721857-19 MFR SWITCH,THERMOSTATIC
KEY FEATURES
•
BODY DIAMETER: 0.500 INCHES NOMINAL IN
•
CONTACT ACTION STIMULUS: INCREASE
•
TERMINAL TYPE: TAB, SOLDER LUG
•
MOUNTING FACILITY PATTERN: TWO POSITION IN-LINE
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.198 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
BODY DIAMETER0.500 INCHES NOMINAL IN
OVERALL HEIGHT0.500 INCHES NOMINAL IN
CONTACT ACTION STIMULUSINCREASE
TERMINAL TYPETAB, SOLDER LUG
MOUNTING FACILITY PATTERNTWO POSITION IN-LINE
MOUNTING METHODUNTHREADED HOLE(S)
UNTHREADED MOUNTING HOLE DIAMETER0.198 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
OVERALL LENGTH3.062 INCHES NOMINAL IN
OVERALL WIDTH1.437 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS0.750 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
VC9295Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 721857-19?
721857-19 is a SWITCH,THERMOSTATIC.
What parts can replace 721857-19?
There is 1 known substitute for 721857-19: VC9295. Substitute compatibility should be verified for your specific system.
What is the NSN for 721857-19?
721857-19 is cataloged in the U.S. Government catalog under NSN 5930-01-145-0087. 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.