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345-12778 — SWITCH,THERMOSTATIC

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

345-12778: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include overall_width: 2.735 INCHES NOMINAL IN, overall_height: 7.906 INCHES NOMINAL IN, overall_length: 2.750 INCHES NOMINAL IN, style_designator: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-377-5891, 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→ 345-12778
NSN: 5930-01-377-5891
FSC: 5930 — Switches
CAGE: 3AJ77 — ROLLS-ROYCE CANADA LIMITED DIV ROLLS-ROYCE CANADA LIMITED (CAN)
SPECIFICATIONS
overall_width2.735 INCHES NOMINAL IN
overall_height7.906 INCHES NOMINAL IN
overall_length2.750 INCHES NOMINAL IN
style_designatorRECTANGULAR
NSN5930-01-377-5891
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,THERMOSTATIC TITLE COMPONENT PN 345-12778 MFR SWITCH,THERMOSTATIC
KEY FEATURES
•
STYLE DESIGNATOR: RECTANGULAR
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT7.906 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
OVERALL LENGTH2.750 INCHES NOMINAL IN
OVERALL WIDTH2.735 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
ML1H-H202SSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 345-12778?
345-12778 is a SWITCH,THERMOSTATIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 345-12778?
There is 1 known substitute for 345-12778: ML1H-H202S. Substitute compatibility should be verified for your specific system.
What is the NSN for 345-12778?
345-12778 is cataloged in the U.S. Government catalog under NSN 5930-01-377-5891. 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.