PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31D37Resistor,thermal

Dynalec Corporation · NSN 5905-00-289-9804 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-289-9804 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-289-9804. Primary manufacturer part number: 31D37.
Features
  • Resistor,thermal — FSC 5905
  • Style Designator: DISK
  • Ambient Temp at Full Rated Power: 25.0 CELSIUS DEGC
  • Zero Power Resistance: 1.000 KILOHMS
  • Body Width: 0.086 INCHES NOMINAL IN
  • Zero Power Temp Coefficient of Resistance in Percent Per Deg Celsius: -4.40
  • Inclosure Type: ENCAPSULATED
  • Maximum Operating Temp: 150.0 CELSIUS DEGC
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,thermal, cataloged under National Stock Number 5905-00-289-9804, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Dynalec Corporation. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-289-9804
Primary Part Number31D37
Item NameResistor,thermal
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerDynalec Corporation
StatusACTIVE
Style DesignatorDISK
Ambient Temp at Full Rated Power25.0 CELSIUS DEGC
Zero Power Resistance1.000 KILOHMS
Body Width0.086 INCHES NOMINAL IN
Zero Power Temp Coefficient of Resistance in Percent Per Deg Celsius-4.40
Inclosure TypeENCAPSULATED
Maximum Operating Temp150.0 CELSIUS DEGC
Zero Power Resistance Tolerance in Percent at Reference Temp-10.0 TO 10.0
Maximum Power Dissipation Rating1.25 WATTS
Terminal Diameter0.020 INCHES NOMINAL IN
Reference Temp in Deg Celsius25.0
Body Outside Diameter0.300 INCHES NOMINAL IN
Power Dissipation Constant in Milliwatts Per Deg Celsius8.0
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity2 WIRE LEAD
Thermal Time Constant in Seconds48.0
Terminal Length1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5365-00-379-0111K22620 INTERCHANGEABLE
Spacer,plate
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
31D37 PRIMARY Dynalec Corporation (USA)
11229-002 PRIMARY Dynalec Corporation (USA)
Related Parts
5365-00-379-0111INTERCHANGEABLE
SPACER,PLATE
K22620

Frequently Asked Questions

What is NSN 5905-00-289-9804?

NSN 5905-00-289-9804 is a Resistor,thermal, manufactured by Dynalec Corporation, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-289-9804?

NSN 5905-00-289-9804 has 2 cross-referenced part numbers: 31D37 (Dynalec Corporation), 11229-002 (Dynalec Corporation).

What NSN replaces 5905-00-289-9804?

There is 1 known substitute for 5905-00-289-9804: 5365-00-379-0111. Verify interchangeability with system specifications before substitution.

What are the specifications of 31D37?

Key specifications for 31D37: Style Designator: DISK; Ambient Temp at Full Rated Power: 25.0 CELSIUS DEGC; Zero Power Resistance: 1.000 KILOHMS; Body Width: 0.086 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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