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Technical Data Sheet
PartsTable / MRO / 31D4
31D4 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RESISTOR,THERMAL is a the manufacturer industrial component. Key specifications include overall_width: 0.875 INCHES NOMINAL IN, inclosure_type: ENCASED, overall_height: 0.312 INCHES NOMINAL IN, overall_length: 1.250 INCHES NOMINAL IN, terminal_length: 1.250 INCHES NOMINAL IN, style_designator: DISK ON SURFACE PLATE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-660-6930, 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→ 31D4
NSN: 5905-00-660-6930
FSC: 5905
CAGE: 1L9U5 — MEASUREMENT SPECIALTIES, INC. (USA)
SPECIFICATIONS
overall_width0.875 INCHES NOMINAL IN
inclosure_typeENCASED
overall_height0.312 INCHES NOMINAL IN
overall_length1.250 INCHES NOMINAL IN
terminal_length1.250 INCHES NOMINAL IN
style_designatorDISK ON SURFACE PLATE
terminal_diameter0.024 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
zero_power_resistance1.000 KILOHMS
maximum_current_rating25.00 AMPERES
maximum_operating_temp200.0 CELSIUS DEGC
terminal_type_and_quantity2 WIRE LEAD
NSN5905-00-660-6930
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,THERMAL TITLE COMPONENT PN 31D4 MFR RESISTOR,THERMAL
KEY FEATURES
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.125 INCHES NOMINAL IN
•
TERMINAL TYPE AND QUANTITY: 2 WIRE LEAD
•
MAXIMUM OPERATING TEMP: 200.0 CELSIUS DEGC
•
TERMINAL DIAMETER: 0.024 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DISK ON SURFACE PLATE
TECHNICAL CHARACTERISTICS (FLIS)
UNTHREADED MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL IN
OVERALL LENGTH1.250 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY2 WIRE LEAD
MAXIMUM OPERATING TEMP200.0 CELSIUS DEGC
OVERALL WIDTH0.875 INCHES NOMINAL IN
TERMINAL DIAMETER0.024 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.000 INCHES NOMINAL IN
STYLE DESIGNATORDISK ON SURFACE PLATE
INCLOSURE TYPEENCASED
REFERENCE TEMP IN DEG CELSIUS25.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
B541FS132Interchangeable
interchangeable cross-reference
interchangeable
B541Interchangeable
interchangeable cross-reference
interchangeable
560884-1Interchangeable
interchangeable cross-reference
interchangeable
21181Interchangeable
interchangeable cross-reference
interchangeable
1928111Interchangeable
interchangeable cross-reference
interchangeable
717920Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31D4?
31D4 is a RESISTOR,THERMAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31D4?
There are 18 known substitutes for 31D4: B541FS132, B541, 560884-1 and 15 more. Substitute compatibility should be verified for your specific system.
Is 31D4 still available?
31D4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026