PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 3525-17
3525-17 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

HEATING ELEMENT,ELECTRICAL,NONIM. Key specifications include phase: SINGLE OR THREE SINGLE VOLTAGE, material: NICKEL ALLOY SHEATH, body_style: COIL, PLAIN, overall_width: 5.220 INCHES NOMINAL IN, overall_length: 14.875 INCHES NOMINAL IN, outside_diameter: 8.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-400-6817, 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
3525-17
NSN: 4730-00-400-6817
FSC: 4730
CAGE: 53800 — SEARS, ROEBUCK AND CO. DBA SEARS DIV SEARS COMMERCIAL (USA)
SPECIFICATIONS
phaseSINGLE OR THREE SINGLE VOLTAGE
materialNICKEL ALLOY SHEATH
body_styleCOIL, PLAIN
overall_width5.220 INCHES NOMINAL IN
overall_length14.875 INCHES NOMINAL IN
element_quantity1
outside_diameter8.000 INCHES NOMINAL IN
special_featuresFURNISHED W/ADAPTOR RING AND DRIP PAN
terminal_quantity3
frequency_in_hertz50.0 AND 60.0
mounting_method_styleTERMINAL MOUNTED
end_item_identificationJ-57 AIRCRAFT ENGINE
NSN4730-00-400-6817
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3525-17 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
0143Interchangeable
interchangeable cross-reference
interchangeable
MC20-9NInterchangeable
interchangeable cross-reference
interchangeable
43619Interchangeable
interchangeable cross-reference
interchangeable
352517Interchangeable
interchangeable cross-reference
interchangeable
3525Interchangeable
interchangeable cross-reference
interchangeable
4000514-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3525-17?
3525-17 is a HEATING ELEMENT,ELECTRICAL,NONIM.
What parts can replace 3525-17?
There are 6 known substitutes for 3525-17: 0143, MC20-9N, 43619 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3525-17?
3525-17 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-400-6817. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026