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202-0-21-4 — HEATING ELEMENT,ELECTRICAL,IMMER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

202-0-21-4: HEATING ELEMENT,ELECTRICAL,IMMER.

HEATING ELEMENT,ELECTRICAL,IMMER. Key specifications include length: 4.750 INCHES NOMINAL IN, material: COPPER SHEATH, body_style: TUBULAR, PLAIN, terminal_length: 13.250 INCHES NOMINAL IN, outside_diameter: 0.255 INCHES NOMINAL IN, special_features: U/O POWER UNIT HYDRAULIC; THERMOSTATIC SWITCH. This part is cataloged in the U.S.

Government catalog under NSN 4520-01-365-2829, 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
202-0-21-4
NSN: 4520-01-365-2829
FSC: 4520 — Space and Water Heating Equipment
CAGE: 79221 — WATLOW ELECTRIC MANUFACTURING CO DBA WATLOW (USA)
SPECIFICATIONS
length4.750 INCHES NOMINAL IN
materialCOPPER SHEATH
body_styleTUBULAR, PLAIN
terminal_length13.250 INCHES NOMINAL IN
element_quantity1
outside_diameter0.255 INCHES NOMINAL IN
special_featuresU/O POWER UNIT HYDRAULIC; THERMOSTATIC SWITCH
thermostat_range+30.0 TO 250.0 CELSIUS DEGC
heat_control_typeTHERMOSTAT
terminal_quantity1
element_connection_styleSHIELDED WIRE LEAD
element_radiation_spectrumNONINFRARED
NSN4520-01-365-2829
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATING ELEMENT,ELECTRICAL,IMMER TITLE COMPONENT PN 202-0-21-4 MFR HEATING ELEMENT,ELECTR
KEY FEATURES
•
TERMINAL QUANTITY: 1
•
LENGTH: 4.750 INCHES NOMINAL IN
•
BODY STYLE: TUBULAR, PLAIN
•
TERMINAL LENGTH: 13.250 INCHES NOMINAL IN
•
ELEMENT CONNECTION STYLE: SHIELDED WIRE LEAD
•
OUTSIDE DIAMETER: 0.255 INCHES NOMINAL IN
•
POWER CABLE NOMINAL LENGTH: 18.000 INCHES IN
•
THERMOSTAT RANGE: +30.0 TO 250.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS
TERMINAL QUANTITY1
LENGTH4.750 INCHES NOMINAL IN
BODY STYLETUBULAR, PLAIN
TERMINAL LENGTH13.250 INCHES NOMINAL IN
ELEMENT CONNECTION STYLESHIELDED WIRE LEAD
OUTSIDE DIAMETER0.255 INCHES NOMINAL IN
POWER CABLE NOMINAL LENGTH18.000 INCHES IN
THERMOSTAT RANGE+30.0 TO 250.0 CELSIUS DEGC
HEAT CONTROL TYPETHERMOSTAT
SPECIAL FEATURESU/O POWER UNIT HYDRAULIC; THERMOSTATIC SWITCH
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 202-0-21-4?
202-0-21-4 is a HEATING ELEMENT,ELECTRICAL,IMMER.
What is the NSN for 202-0-21-4?
202-0-21-4 is cataloged in the U.S. Government catalog under NSN 4520-01-365-2829. 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.