PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W1A518-250HMResistor,fixed,wire Wound,induct

Inresco Inc · NSN 5905-00-409-3415 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-409-3415 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-409-3415. Primary manufacturer part number: W1A518-250HM.
Features
  • Resistor,fixed,wire Wound,induct — FSC 5905
  • Reliability Failure Rate Level in Percent: 0.010
  • Body Length: 0.560 INCHES NOMINAL IN
  • Power Dissipation Rating in Watts: 3.000 FREE AIR
  • Temp Range of Temp Coefficient in Deg Celsius: -55.0 TO 275.0
  • Inclosure Type: ENCAPSULATED
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 275.0
  • Body Diameter: 0.187 INCHES NOMINAL IN
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Resistor,fixed,wire Wound,induct, cataloged under National Stock Number 5905-00-409-3415, 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 Inresco Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-409-3415
Primary Part NumberW1A518-250HM
Item NameResistor,fixed,wire Wound,induct
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerInresco Inc
StatusCANCELLED
Reliability Failure Rate Level in Percent0.010
Body Length0.560 INCHES NOMINAL IN
Power Dissipation Rating in Watts3.000 FREE AIR
Temp Range of Temp Coefficient in Deg Celsius-55.0 TO 275.0
Inclosure TypeENCAPSULATED
Ambient Temp in Deg Celsius at Zero Percent Rated Power275.0
Body Diameter0.187 INCHES NOMINAL IN
Reliability IndicatorESTABLISHED
Ambient Temp at Full Rated Power25.0 CELSIUS DEGC
Terminal TypeWIRE LEAD
Resistance Tolerance in Percent-1.000 TO 1.000
Electrical Resistance100.000 OHMS
Test Data Document81349-MIL-R-39007 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Temp Coefficient of Resistance in Ppm Per Deg Celsius-20.0 TO 20.0
Style DesignatorAXIAL TERMINAL EACH END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5905-01-025-6634 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5905-01-159-2527 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Cross-Reference Index
Part NumberManufacturer
W1A518-250HM Inresco Inc (USA)
MIL-PRF-39007/11 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RS2B-B100R0F Vishay Dale Electronics, Llc Div Vishay Americas (USA)
RWR89S1000FR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-R-39007/11 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CW2B-100R0J Vishay Dale Electronics, Llc Div Vishay Americas (USA)
RWR89S1000FM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RWR89S1000FP Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RW79U100F Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
04250004-009 Getronics Government Solutions Llc (USA)
1B3139-2 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
Related Parts
5905-01-025-6634INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5905-01-159-2527INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT

Frequently Asked Questions

What is NSN 5905-00-409-3415?

NSN 5905-00-409-3415 is a Resistor,fixed,wire Wound,induct, manufactured by Inresco Inc, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-409-3415?

NSN 5905-00-409-3415 has 11 cross-referenced part numbers: W1A518-250HM (Inresco Inc), MIL-PRF-39007/11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), RS2B-B100R0F (Vishay Dale Electronics, Llc Div Vishay Americas), RWR89S1000FR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-R-39007/11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 5905-00-409-3415?

There are 2 known substitutes for 5905-00-409-3415: 5905-01-025-6634, 5905-01-159-2527. Verify interchangeability with system specifications before substitution.

What are the specifications of W1A518-250HM?

Key specifications for W1A518-250HM: Reliability Failure Rate Level in Percent: 0.010; Body Length: 0.560 INCHES NOMINAL IN; Power Dissipation Rating in Watts: 3.000 FREE AIR; Temp Range of Temp Coefficient in Deg Celsius: -55.0 TO 275.0. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-409-3415 still in active supply?

NSN 5905-00-409-3415 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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