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3E203J — HEATER,WATER,ELECTRIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3E203J: HEATER,WATER,ELECTRIC.

The HEATER,WATER,ELECTRIC is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4520-01-057-6471, 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
3E203J
NSN: 4520-01-057-6471
FSC: 4520 — Space and Water Heating Equipment
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
Part Number3E203J
NSN4520-01-057-6471
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATER,WATER,ELECTRIC TITLE COMPONENT PN 3E203J MFR HEATER,WATER,ELECTRIC
OTHER ITEMS IN FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098 4520-00-000-0099 4520-00-001-1240 4520-00-001-3518 4520-00-001-3519 4520-00-001-6052 4520-00-001-6298 4520-00-001-7726
SUBSTITUTES & CROSS-REFERENCES 7
3E203Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LTA082KKReference document
Same NSN cross-reference
Reference document — Secondary reference
1P277Reference document
Same NSN cross-reference
Reference document — Secondary reference
ETA082KKReference document
Same NSN cross-reference
Reference document — Secondary reference
EFR90-82DReference document
Same NSN cross-reference
Reference document — Secondary reference
6E724Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 3E203J?
3E203J is a HEATER,WATER,ELECTRIC.
What parts can replace 3E203J?
There are 7 known substitutes for 3E203J: 3E203, LTA082KK, 1P277 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3E203J?
3E203J is cataloged in the U.S. Government catalog under NSN 4520-01-057-6471. 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.