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SMB280511 — SWITCH,THERMOSTATIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

SMB280511: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include body_width: 1.594 INCHES NOMINAL IN, body_height: 0.594 INCHES NOMINAL IN, body_length: 1.594 INCHES NOMINAL IN, overall_width: 1.812 INCHES NOMINAL IN, terminal_type: SCREW, overall_height: 0.844 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-636-0981, 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
SMB280511
NSN: 5930-00-636-0981
FSC: 5930 — Switches
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
body_width1.594 INCHES NOMINAL IN
body_height0.594 INCHES NOMINAL IN
body_length1.594 INCHES NOMINAL IN
overall_width1.812 INCHES NOMINAL IN
terminal_typeSCREW
overall_height0.844 INCHES NOMINAL IN
overall_length2.562 INCHES NOMINAL IN
mounting_methodBRACKET(S) AND UNTHREADED HOLE(S)
style_designatorRECTANGULAR W/BRACKET
contact_adjustabilityACTUATION POINT NOT ADJUSTABLE, MANUAL RESET
contact_action_stimulusINCREASE
contact_stimulus_rating250.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT
NSN5930-00-636-0981
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN SMB280511 MFR SWITCH,THERMOSTATIC
KEY FEATURES
•
CONTACT ACTION STIMULUS: INCREASE
•
TERMINAL TYPE: SCREW
•
MOUNTING FACILITY PATTERN: TWO POSITION IN-LINE
•
CONTACT LOAD CURRENT RATING: 40.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
•
MOUNTING METHOD: BRACKET(S) AND UNTHREADED HOLE(S)
•
BODY WIDTH: 1.594 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.844 INCHES NOMINAL IN
CONTACT ACTION STIMULUSINCREASE
TERMINAL TYPESCREW
MOUNTING FACILITY PATTERNTWO POSITION IN-LINE
CONTACT LOAD CURRENT RATING40.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
CONTACT LOAD CURRENT RATING40.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
MOUNTING METHODBRACKET(S) AND UNTHREADED HOLE(S)
BODY WIDTH1.594 INCHES NOMINAL IN
BODY HEIGHT0.594 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.176 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
HLReference document
Same NSN cross-reference
Reference document — Design control — primary reference
B13928Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SMB280511?
SMB280511 is a SWITCH,THERMOSTATIC.
What parts can replace SMB280511?
There are 2 known substitutes for SMB280511: HL, B13928. Substitute compatibility should be verified for your specific system.
What is the NSN for SMB280511?
SMB280511 is cataloged in the U.S. Government catalog under NSN 5930-00-636-0981. 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.