PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

550249Resistor,fixed,wire Wound,induct

California Instruments Corp · NSN 5905-01-186-6783 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-01-186-6783 — this item is cataloged by the U.S. Government under National Stock Number 5905-01-186-6783. Primary manufacturer part number: 550249.
Features
  • Resistor,fixed,wire Wound,induct — FSC 5905
  • Specification/standard Data: 81349-MIL-R-39007/10 GOVERNMENT SPECIFICATION
  • Style Designator: AXIAL TERMINAL EACH END
  • Terminal Length: 1.500 INCHES MINIMUM IN
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 275.0
  • Body Length: 0.875 INCHES NOMINAL IN
  • Reactance Characteristic: INDUCTIVE
  • Power Dissipation Rating in Watts: 7.000 FREE AIR
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 5905-01-186-6783, 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 California Instruments Corp. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 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
NSN5905-01-186-6783
Primary Part Number550249
Item NameResistor,fixed,wire Wound,induct
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerCalifornia Instruments Corp
StatusCANCELLED
Specification/standard Data81349-MIL-R-39007/10 GOVERNMENT SPECIFICATION
Style DesignatorAXIAL TERMINAL EACH END
Terminal Length1.500 INCHES MINIMUM IN
Ambient Temp in Deg Celsius at Zero Percent Rated Power275.0
Body Length0.875 INCHES NOMINAL IN
Reactance CharacteristicINDUCTIVE
Power Dissipation Rating in Watts7.000 FREE AIR
Body Diameter0.312 INCHES NOMINAL IN
Terminal TypeWIRE LEAD
Cubic Measure0.051 CUBIC INCHES
Reliability Failure Rate Level in Percent0.001
Ambient Temp at Full Rated Power25.0 CELSIUS DEGC
Temp Range of Temp Coefficient in Deg Celsius-55.0 TO 275.0
Reliability IndicatorESTABLISHED
Inclosure TypeENCAPSULATED
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.).
Resistance Tolerance in Percent-1.000 TO 1.000
Unpackaged Unit Weight6.000 GRAMS G
Electrical Resistance562.000 OHMS
Temp Coefficient of Resistance in Ppm Per Deg Celsius-20.0 TO 20.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5998-00-998-1710 INTERCHANGEABLE
Circuit Card Assembly
5905-01-062-8628 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Cross-Reference Index
Part NumberManufacturer
550249 California Instruments Corp (USA)
RWRFS5620FB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-R-39007/10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SV308FS5620FR1 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
RWR84S5620FS Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
995-5B4613 Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA)
RWR84S5620FR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RWR84S5620FM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-39007/10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5998-00-998-1710INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5905-01-062-8628INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT

Frequently Asked Questions

What is NSN 5905-01-186-6783?

NSN 5905-01-186-6783 is a Resistor,fixed,wire Wound,induct, manufactured by California Instruments Corp, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-01-186-6783?

NSN 5905-01-186-6783 has 9 cross-referenced part numbers: 550249 (California Instruments Corp), RWRFS5620FB (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-R-39007/10 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SV308FS5620FR1 (Hamilton Sundstrand Corporation Dba Collins Aerospace), RWR84S5620FS (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 5905-01-186-6783?

There are 2 known substitutes for 5905-01-186-6783: 5998-00-998-1710, 5905-01-062-8628. Verify interchangeability with system specifications before substitution.

What are the specifications of 550249?

Key specifications for 550249: Specification/standard Data: 81349-MIL-R-39007/10 GOVERNMENT SPECIFICATION; Style Designator: AXIAL TERMINAL EACH END; Terminal Length: 1.500 INCHES MINIMUM IN; Ambient Temp in Deg Celsius at Zero Percent Rated Power: 275.0. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-01-186-6783 still in active supply?

NSN 5905-01-186-6783 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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