SK-3954 — HEATING ELEMENT,ELECTRICAL,NONIM

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

SK-3954: HEATING ELEMENT,ELECTRICAL,NONIM.

HEATING ELEMENT,ELECTRICAL,NONIM. Key specifications include phase: THREE SINGLE VOLTAGE, width: 3.000 INCHES NOMINAL IN, material: ALUMINUM SHEATH, body_style: BAND TYPE/NOZZLE ELEMENT, inside_diameter: 16.000 INCHES NOMINAL IN, special_features: TWO PIECE DESIGN. This part is cataloged in the U.S.

Government catalog under NSN 4520-01-437-4775, 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

SK-3954

NSN: 4520-01-437-4775
FSC: 4520 — Space and Water Heating Equipment
CAGE: 79221 — WATLOW ELECTRIC MANUFACTURING CO DBA WATLOW (USA)

SPECIFICATIONS

phase	THREE SINGLE VOLTAGE
width	3.000 INCHES NOMINAL IN
material	ALUMINUM SHEATH
body_style	BAND TYPE/NOZZLE ELEMENT
heat_quantity	1
inside_diameter	16.000 INCHES NOMINAL IN
element_quantity	1
special_features	TWO PIECE DESIGN
frequency_in_hertz	60.0
end_item_identification	SEAWOLF CLASS SSN
element_radiation_spectrum	NONINFRARED
maximum_wattage_rating_in_watts	2000.0 SINGLE VOLTAGE
NSN	4520-01-437-4775

COMPONENT DIAGRAM

KEY FEATURES

•

PHASE: THREE SINGLE VOLTAGE

•

FREQUENCY IN HERTZ: 60.0

•

VOLTAGE IN VOLTS AND CURRENT TYPE: 440.0 AC SINGLE VOLTAGE

•

BODY STYLE: BAND TYPE/NOZZLE ELEMENT

•

MAXIMUM WATTAGE RATING IN WATTS: 2000.0 SINGLE VOLTAGE

•

HEAT QUANTITY: 1

•

INSIDE DIAMETER: 16.000 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

PHASE	THREE SINGLE VOLTAGE
FREQUENCY IN HERTZ	60.0
VOLTAGE IN VOLTS AND CURRENT TYPE	440.0 AC SINGLE VOLTAGE
BODY STYLE	BAND TYPE/NOZZLE ELEMENT
MAXIMUM WATTAGE RATING IN WATTS	2000.0 SINGLE VOLTAGE
HEAT QUANTITY	1
INSIDE DIAMETER	16.000 INCHES NOMINAL IN
SPECIAL FEATURES	TWO PIECE DESIGN
ELEMENT RADIATION SPECTRUM	NONINFRARED
WIDTH	3.000 INCHES NOMINAL IN

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 2

11915691Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

STB16A3A-14AReference 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 SK-3954?

SK-3954 is a HEATING ELEMENT,ELECTRICAL,NONIM.

What parts can replace SK-3954?

There are 2 known substitutes for SK-3954: 11915691, STB16A3A-14A. Substitute compatibility should be verified for your specific system.

What is the NSN for SK-3954?

SK-3954 is cataloged in the U.S. Government catalog under NSN 4520-01-437-4775. This indicates validated use in U.S. government and defense supply chains.

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SK-3954 — HEATING ELEMENT,ELECTRICAL,NONIM

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