N4AX31A — HEATING ELEMENT,ELECTRICAL,NONIM

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

N4AX31A: HEATING ELEMENT,ELECTRICAL,NONIM.

HEATING ELEMENT,ELECTRICAL,NONIM. Key specifications include phase: SINGLE SINGLE VOLTAGE, length: 4.000 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING SHEATH, body_style: TUBULAR, PLAIN, case_diameter: 0.745 INCHES NOMINAL IN, thread_quantity: 32.0 PER INCH STUD. This part is cataloged in the U.S.

Government catalog under NSN 4520-00-800-8346, 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

N4AX31A

NSN: 4520-00-800-8346
FSC: 4520 — Space and Water Heating Equipment
CAGE: 79221 — WATLOW ELECTRIC MANUFACTURING CO DBA WATLOW (USA)

SPECIFICATIONS

phase	SINGLE SINGLE VOLTAGE
length	4.000 INCHES NOMINAL IN
material	STEEL CORROSION RESISTING SHEATH
body_style	TUBULAR, PLAIN
case_diameter	0.745 INCHES NOMINAL IN
heat_quantity	1
thread_quantity	32.0 PER INCH STUD
element_quantity	1
outside_diameter	0.745 INCHES NOMINAL IN
special_features	PASSIVATED FINISH
terminal_quantity	2
nominal_thread_size	0.190 INCHES STUD IN
NSN	4520-00-800-8346

COMPONENT DIAGRAM

KEY FEATURES

•

PHASE: SINGLE SINGLE VOLTAGE

•

TERMINAL QUANTITY: 2

•

LENGTH: 4.000 INCHES NOMINAL IN

•

VOLTAGE IN VOLTS AND CURRENT TYPE: 120.0 AC SINGLE VOLTAGE

•

BODY STYLE: TUBULAR, PLAIN

•

MAXIMUM WATTAGE RATING IN WATTS: 150.0 SINGLE VOLTAGE

•

ELEMENT CONNECTION STYLE: STUD TYPE

•

CASE DIAMETER: 0.745 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

PHASE	SINGLE SINGLE VOLTAGE
TERMINAL QUANTITY	2
LENGTH	4.000 INCHES NOMINAL IN
VOLTAGE IN VOLTS AND CURRENT TYPE	120.0 AC SINGLE VOLTAGE
BODY STYLE	TUBULAR, PLAIN
MAXIMUM WATTAGE RATING IN WATTS	150.0 SINGLE VOLTAGE
ELEMENT CONNECTION STYLE	STUD TYPE
CASE DIAMETER	0.745 INCHES NOMINAL IN
OUTSIDE DIAMETER	0.745 INCHES NOMINAL IN
MOUNTING METHOD STYLE	FRICTION TYPE MOUNTING FACILITY

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 3

A401136Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

E419GSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

2302007Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is N4AX31A?

N4AX31A is a HEATING ELEMENT,ELECTRICAL,NONIM.

What parts can replace N4AX31A?

There are 3 known substitutes for N4AX31A: A401136, E419G, 2302007. Substitute compatibility should be verified for your specific system.

What is the NSN for N4AX31A?

N4AX31A is cataloged in the U.S. Government catalog under NSN 4520-00-800-8346. This indicates validated use in U.S. government and defense supply chains.

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N4AX31A — HEATING ELEMENT,ELECTRICAL,NONIM

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