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21616388 — HEATER,VENTILATION,DUCT TYPE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

21616388: HEATER,VENTILATION,DUCT TYPE.

The HEATER,VENTILATION,DUCT TYPE is a the manufacturer industrial component. Key specifications include mounting_type: VENTILATION DUCT, heat_medium_type: AIR, special_features: 450 VOLT, 3 PHASE, 60 HERTZ ELEMENT, heating_element_type: ELECTRIC NONIMMERSION. This part is cataloged in the U.S.

Government catalog under NSN 4520-01-539-5339, 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
21616388
NSN: 4520-01-539-5339
FSC: 4520 — Space and Water Heating Equipment
CAGE: 0V369 — IMECO INC (USA)
SPECIFICATIONS
mounting_typeVENTILATION DUCT
heat_medium_typeAIR
special_features450 VOLT, 3 PHASE, 60 HERTZ ELEMENT
heating_element_typeELECTRIC NONIMMERSION
NSN4520-01-539-5339
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATER,VENTILATION,DUCT TYPE TITLE COMPONENT PN 21616388 MFR HEATER,VENTILATION,DUC
KEY FEATURES
•
HEAT MEDIUM TYPE: AIR
•
MOUNTING TYPE: VENTILATION DUCT
•
HEATING ELEMENT TYPE: ELECTRIC NONIMMERSION
TECHNICAL CHARACTERISTICS
HEAT MEDIUM TYPEAIR
SPECIAL FEATURES450 VOLT, 3 PHASE, 60 HERTZ ELEMENT
MOUNTING TYPEVENTILATION DUCT
HEATING ELEMENT TYPEELECTRIC NONIMMERSION
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

No substitute or cross-reference records for this part.

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 21616388?
21616388 is a HEATER,VENTILATION,DUCT TYPE.
What is the NSN for 21616388?
21616388 is cataloged in the U.S. Government catalog under NSN 4520-01-539-5339. 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.