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66505-051 — SWITCH,THERMOSTATIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

66505-051: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include body_height: 0.347 INCHES NOMINAL IN, body_diameter: 0.640 INCHES NOMINAL IN, terminal_type: TAB, SOLDER LUG, overall_height: 0.565 INCHES NOMINAL IN, overall_length: 1.187 INCHES NOMINAL IN, mounting_method: SLOT. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-366-6052, 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
66505-051
NSN: 5930-01-366-6052
FSC: 5930 — Switches
CAGE: 12763 — DYNALEC CORPORATION (USA)
SPECIFICATIONS
body_height0.347 INCHES NOMINAL IN
body_diameter0.640 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
overall_height0.565 INCHES NOMINAL IN
overall_length1.187 INCHES NOMINAL IN
mounting_methodSLOT
style_designatorDISC W/FLANGE
features_providedHERMETICALLY SEALED CASE
contact_load_current_rating7.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
contact_voltage_rating_in_volts240.0 AC AT SEA LEVEL SECOND VOLTAGE
NSN5930-01-366-6052
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 66505-051 MFR SWITCH,THERMOSTATIC
KEY FEATURES
•
BODY DIAMETER: 0.640 INCHES NOMINAL IN
•
TERMINAL TYPE: TAB, SOLDER LUG
•
CONTACT LOAD CURRENT RATING: 6.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
•
MOUNTING METHOD: SLOT
•
BODY HEIGHT: 0.347 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BODY DIAMETER0.640 INCHES NOMINAL IN
OVERALL HEIGHT0.565 INCHES NOMINAL IN
TERMINAL TYPETAB, SOLDER LUG
CONTACT LOAD CURRENT RATING6.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
CONTACT LOAD CURRENT RATING3.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
CONTACT LOAD CURRENT RATING7.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE
MOUNTING METHODSLOT
BODY HEIGHT0.347 INCHES NOMINAL IN
STYLE DESIGNATORDISC W/FLANGE
OVERALL LENGTH1.187 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
0-52-BE-141-AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 66505-051?
66505-051 is a SWITCH,THERMOSTATIC.
What parts can replace 66505-051?
There is 1 known substitute for 66505-051: 0-52-BE-141-A. Substitute compatibility should be verified for your specific system.
What is the NSN for 66505-051?
66505-051 is cataloged in the U.S. Government catalog under NSN 5930-01-366-6052. 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.