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42S18 — RESISTOR,THERMAL

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

42S18: RESISTOR,THERMAL.

The RESISTOR,THERMAL is a the manufacturer industrial component. Key specifications include body_length: 0.500 INCHES NOMINAL IN, inclosure_type: ENCAPSULATED, terminal_length: 1.375 INCHES NOMINAL IN, style_designator: ROD, terminal_diameter: 0.016 INCHES NOMINAL IN, body_outside_diameter: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-104-3476, 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
MRO→ MRO_GENERAL→ 42S18
NSN: 5905-00-104-3476
FSC: 5905 — Resistor
CAGE: 1L9U5 — MEASUREMENT SPECIALTIES, INC. (USA)
SPECIFICATIONS
body_length0.500 INCHES NOMINAL IN
inclosure_typeENCAPSULATED
terminal_length1.375 INCHES NOMINAL IN
style_designatorROD
terminal_diameter0.016 INCHES NOMINAL IN
body_outside_diameter0.125 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
zero_power_resistance20.000 KILOHMS
maximum_current_rating25.00 AMPERES
maximum_operating_temp200.0 CELSIUS DEGC
terminal_type_and_quantity2 WIRE LEAD
reference_temp_in_deg_celsius25.0
NSN5905-00-104-3476
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,THERMAL TITLE COMPONENT PN 42S18 MFR RESISTOR,THERMAL
KEY FEATURES
•
INCLOSURE TYPE: ENCAPSULATED
•
TERMINAL DIAMETER: 0.016 INCHES NOMINAL IN
•
TERMINAL LENGTH: 1.375 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.125 INCHES NOMINAL IN
•
MAXIMUM CURRENT RATING: 25.00 AMPERES
•
REFERENCE TEMP IN DEG CELSIUS: 25.0
•
STYLE DESIGNATOR: ROD
•
POWER DISSIPATION CONSTANT IN MILLIWATTS PER DEG CELSIUS: 2.5
TECHNICAL CHARACTERISTICS
INCLOSURE TYPEENCAPSULATED
TERMINAL DIAMETER0.016 INCHES NOMINAL IN
TERMINAL LENGTH1.375 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.125 INCHES NOMINAL IN
MAXIMUM CURRENT RATING25.00 AMPERES
REFERENCE TEMP IN DEG CELSIUS25.0
STYLE DESIGNATORROD
POWER DISSIPATION CONSTANT IN MILLIWATTS PER DEG CELSIUS2.5
ZERO POWER RESISTANCE20.000 KILOHMS
THERMAL TIME CONSTANT IN SECONDS20.0
OTHER ITEMS IN FSC 5905 — Resistor
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5905-00-000-0136 5905-00-000-0488 5905-00-000-8809 5905-00-000-8833 5905-00-000-9526 5905-00-001-1342 5905-00-001-1573 5905-00-001-2059
SUBSTITUTES & CROSS-REFERENCES 2
2553856-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
QB42L5Reference 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 42S18?
42S18 is a RESISTOR,THERMAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 42S18?
There are 2 known substitutes for 42S18: 2553856-3, QB42L5. Substitute compatibility should be verified for your specific system.
What is the NSN for 42S18?
42S18 is cataloged in the U.S. Government catalog under NSN 5905-00-104-3476. 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.