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Technical Data Sheet
17778 REV D ✓ Verified by PartsTable
· COMPONENT
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 HEATER,WATER,ELECTRIC is a the manufacturer industrial component. Key specifications include phase: THREE, overall_depth: 13.625 INCHES NOMINAL IN, overall_width: 12.063 INCHES NOMINAL IN, overall_height: 19.500 INCHES NOMINAL IN, overall_length: 3.500 INCHES NOMINAL IN, frequency_rating: 60.0 HERTZ NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-01-699-3225, 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
17778 REV D
NSN: 4520-01-699-3225
FSC: 4520
CAGE: 19857 — THE ELECTRIC HEATER CO DBA HUBBELL ELECTRIC HEATER CO. (USA)
SPECIFICATIONS
phaseTHREE
overall_depth13.625 INCHES NOMINAL IN
overall_width12.063 INCHES NOMINAL IN
overall_height19.500 INCHES NOMINAL IN
overall_length3.500 INCHES NOMINAL IN
frequency_rating60.0 HERTZ NOMINAL
voltage_in_volts450.0
enclosure_featureDRIPPROOF
switch_action_typeMAGNETIC CONTACTOR
switch_off_positionNOT INCLUDED
switch_pole_quantity3
electrical_resistance220.000 KILOHMS
NSN4520-01-699-3225
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATER,WATER,ELECTRIC TITLE COMPONENT PN 17778 REV D MFR HEATER,WATER,ELECTRIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
21369-765Interchangeable
interchangeable cross-reference
interchangeable
22400-136Interchangeable
interchangeable cross-reference
interchangeable
MILS17773Interchangeable
interchangeable cross-reference
interchangeable
950788-507Interchangeable
interchangeable cross-reference
interchangeable
950778-507Interchangeable
interchangeable cross-reference
interchangeable
17778Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 17778 REV D?
17778 REV D is a HEATER,WATER,ELECTRIC.
What parts can replace 17778 REV D?
There are 7 known substitutes for 17778 REV D: 21369-765, 22400-136, MILS17773 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 17778 REV D?
17778 REV D is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-01-699-3225. This indicates validated use in U.S. government and defense supply chains.
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