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J19780 — THERMOSTAT,FLOW CONTROL

✓ Government record, cited
EATON CORP CONTROLS DIV · COMPONENT
PRODUCT OVERVIEW

J19780: THERMOSTAT,FLOW CONTROL.

The THERMOSTAT,FLOW CONTROL is a EATON CORP CONTROLS DIV industrial component. This part is cataloged in the U.S. Government catalog under NSN 6685-00-164-3979, 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
J19780
NSN: 6685-00-164-3979
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
CAGE: 18163 — EATON CORP CONTROLS DIV (USA)
SPECIFICATIONS
Part NumberJ19780
ManufacturerEATON CORP CONTROLS DIV
NSN6685-00-164-3979
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: EATON CORP CONTROLS DIV THERMOSTAT,FLOW CONTROL TITLE COMPONENT PN J19780 MFR EATON CORP CONTROLS DIV THERMOSTAT,FLOW CONTRO
SUBSTITUTES & CROSS-REFERENCES 4
I-1700-A2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AT22961Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
4E040-3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
4A885-2Reference 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 J19780?
J19780 is a THERMOSTAT,FLOW CONTROL manufactured by EATON CORP CONTROLS DIV.
What parts can replace J19780?
There are 4 known substitutes for J19780: I-1700-A2, AT22961, 4E040-3 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for J19780?
J19780 is cataloged in the U.S. Government catalog under NSN 6685-00-164-3979. 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.