SEF26B — HEATING ELEMENT,ELECTRICAL,NONIM

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

SEF26B: HEATING ELEMENT,ELECTRICAL,NONIM.

HEATING ELEMENT,ELECTRICAL,NONIM. Key specifications include phase: SINGLE SINGLE VOLTAGE, width: 2.000 INCHES NOMINAL IN, length: 22.500 INCHES NOMINAL IN, material: CHROMIUM AND STEEL SHEATH, body_style: STRIP, FINNED, overall_length: 26.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4520-00-541-1663, 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

SEF26B

NSN: 4520-00-541-1663
FSC: 4520 — Space and Water Heating Equipment
CAGE: 65586 — CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC (USA)

SPECIFICATIONS

phase	SINGLE SINGLE VOLTAGE
width	2.000 INCHES NOMINAL IN
length	22.500 INCHES NOMINAL IN
material	CHROMIUM AND STEEL SHEATH
body_style	STRIP, FINNED
heat_quantity	1
overall_length	26.750 INCHES NOMINAL IN
terminal_length	0.500 INCHES NOMINAL IN
thread_quantity	32.0 PER INCH STUD
element_quantity	1
terminal_quantity	2
frequency_in_hertz	60.0
NSN	4520-00-541-1663

COMPONENT DIAGRAM

KEY FEATURES

•

PHASE: SINGLE SINGLE VOLTAGE

•

FREQUENCY IN HERTZ: 60.0

•

TERMINAL QUANTITY: 2

•

LENGTH: 22.500 INCHES NOMINAL IN

•

VOLTAGE IN VOLTS AND CURRENT TYPE: 240.0 AC SINGLE VOLTAGE

•

BODY STYLE: STRIP, FINNED

•

HOLE OR SLOT QUANTITY: 2

•

MAXIMUM WATTAGE RATING IN WATTS: 2500.0 SINGLE VOLTAGE

TECHNICAL CHARACTERISTICS

PHASE	SINGLE SINGLE VOLTAGE
FREQUENCY IN HERTZ	60.0
TERMINAL QUANTITY	2
LENGTH	22.500 INCHES NOMINAL IN
VOLTAGE IN VOLTS AND CURRENT TYPE	240.0 AC SINGLE VOLTAGE
BODY STYLE	STRIP, FINNED
HOLE OR SLOT QUANTITY	2
MAXIMUM WATTAGE RATING IN WATTS	2500.0 SINGLE VOLTAGE
TERMINAL LENGTH	0.500 INCHES NOMINAL IN
MOUNTING FACILITY LENGTH	0.500 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 3

SEF260Reference document

Same NSN cross-reference

Reference document — Secondary reference

SEF-260-240VAC-2500WReference document

Same NSN cross-reference

Reference document — Secondary reference

OTF-260-240VACSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SEF26B?

SEF26B is a HEATING ELEMENT,ELECTRICAL,NONIM.

What parts can replace SEF26B?

There are 3 known substitutes for SEF26B: SEF260, SEF-260-240VAC-2500W, OTF-260-240VAC. Substitute compatibility should be verified for your specific system.

What is the NSN for SEF26B?

SEF26B is cataloged in the U.S. Government catalog under NSN 4520-00-541-1663. This indicates validated use in U.S. government and defense supply chains.

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SEF26B — HEATING ELEMENT,ELECTRICAL,NONIM

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