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Technical Data Sheet
PartsTable / MRO / 123C475
123C475 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include body_height: 0.290 INCHES MAXIMUM IN, body_diameter: 0.640 INCHES MAXIMUM IN, terminal_type: TAB, SOLDER LUG, overall_height: 0.400 INCHES MAXIMUM IN, overall_length: 0.937 INCHES NOMINAL IN, mounting_method: BRACKET(S). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-333-8045, 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
MRO→ MRO_GENERAL→ 123C475
NSN: 5930-00-333-8045
FSC: 5930
CAGE: 10639 — AVIONICS SPECIALTIES, INC. (USA)
SPECIFICATIONS
body_height0.290 INCHES MAXIMUM IN
body_diameter0.640 INCHES MAXIMUM IN
terminal_typeTAB, SOLDER LUG
overall_height0.400 INCHES MAXIMUM IN
overall_length0.937 INCHES NOMINAL IN
mounting_methodBRACKET(S)
style_designatorDISC W/FLANGE
features_providedHERMETICALLY SEALED CASE
contact_adjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
contact_action_stimulusINCREASE
contact_stimulus_rating125.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 95.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
media_for_which_designedGAS
NSN5930-00-333-8045
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 123C475 MFR SWITCH,THERMOSTATIC
KEY FEATURES
•
CONTACT ACTION STIMULUS: INCREASE
•
MOUNTING FACILITY PATTERN: TWO POSITION IN-LINE
•
NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
•
TEST DATA DOCUMENT: 81349-MILS24236 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
CONTACT VOLTAGE RATING IN VOLTS: 28.0 DC AT SEA LEVEL SECOND VOLTAGE
•
CONTACT LOAD CURRENT RATING: 6.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
•
STYLE DESIGNATOR: DISC W/FLANGE
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT ACTION STIMULUSINCREASE
MOUNTING FACILITY PATTERNTWO POSITION IN-LINE
NONPILE-UP CONTACT ARRANGEMENT1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
TEST DATA DOCUMENT81349-MILS24236 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
CONTACT VOLTAGE RATING IN VOLTS28.0 DC AT SEA LEVEL SECOND VOLTAGE
CONTACT VOLTAGE RATING IN VOLTS115.0 AC AT SEA LEVEL FIRST VOLTAGE
CONTACT LOAD CURRENT RATING6.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
STYLE DESIGNATORDISC W/FLANGE
CONTACT LOAD CURRENT RATING6.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
MEDIA FOR WHICH DESIGNEDGAS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
123475Interchangeable
interchangeable cross-reference
interchangeable
458-8D27-6Interchangeable
interchangeable cross-reference
interchangeable
161A8458G1Interchangeable
interchangeable cross-reference
interchangeable
475Interchangeable
interchangeable cross-reference
interchangeable
139B7648G1Interchangeable
interchangeable cross-reference
interchangeable
3100-16-41Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 123C475?
123C475 is a SWITCH,THERMOSTATIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 123C475?
There are 8 known substitutes for 123C475: 123475, 458-8D27-6, 161A8458G1 and 5 more. Substitute compatibility should be verified for your specific system.
Is 123C475 still available?
123C475 is currently cancelled.
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Last verified: July 2026