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721857-2 — SWITCH,THERMOSTATIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

721857-2: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include body_height: 0.130 INCHES NOMINAL IN, body_length: 0.750 INCHES NOMINAL IN, overall_width: 0.350 INCHES NOMINAL IN, terminal_type: TAB, SOLDER LUG, overall_height: 0.690 INCHES NOMINAL IN, overall_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-122-9108, 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
721857-2
NSN: 5930-01-122-9108
FSC: 5930 — Switches
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
body_height0.130 INCHES NOMINAL IN
body_length0.750 INCHES NOMINAL IN
overall_width0.350 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
overall_height0.690 INCHES NOMINAL IN
overall_length1.250 INCHES NOMINAL IN
mounting_methodSLOT
mounting_slot_width0.188 INCHES NOMINAL IN
contact_adjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
contact_action_stimulusINCREASE
contact_stimulus_rating175.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 172.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
media_for_which_designedGAS OR LIQUID
NSN5930-01-122-9108
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 721857-2 MFR SWITCH,THERMOSTATIC
KEY FEATURES
•
CONTACT ACTION STIMULUS: INCREASE
•
TERMINAL TYPE: TAB, SOLDER LUG
•
MOUNTING FACILITY PATTERN: TWO POSITION IN-LINE
•
CONTACT LOAD CURRENT RATING: 1.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
•
MOUNTING METHOD: SLOT
•
BODY HEIGHT: 0.130 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.690 INCHES NOMINAL IN
CONTACT ACTION STIMULUSINCREASE
TERMINAL TYPETAB, SOLDER LUG
MOUNTING FACILITY PATTERNTWO POSITION IN-LINE
CONTACT LOAD CURRENT RATING1.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
CONTACT LOAD CURRENT RATING3.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
MOUNTING METHODSLOT
BODY HEIGHT0.130 INCHES NOMINAL IN
TEMP SENSING ELEMENT TYPEINTERNAL SENSOR
OVERALL LENGTH1.250 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
VE3255Reference 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 721857-2?
721857-2 is a SWITCH,THERMOSTATIC.
What parts can replace 721857-2?
There is 1 known substitute for 721857-2: VE3255. Substitute compatibility should be verified for your specific system.
What is the NSN for 721857-2?
721857-2 is cataloged in the U.S. Government catalog under NSN 5930-01-122-9108. 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.