PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28521Resistor,fixed,wire Wound,induct

Trio Laboratories Inc · NSN 5905-00-482-7807 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-482-7807 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-482-7807. Primary manufacturer part number: 28521.
Features
  • Resistor,fixed,wire Wound,induct — FSC 5905
  • Body Diameter: 0.312 INCHES NOMINAL IN
  • Body Length: 0.875 INCHES NOMINAL IN
  • Ambient Temp at Full Rated Power: 25.0 CELSIUS DEGC
  • Terminal Type: WIRE LEAD
  • Reliability Failure Rate Level in Percent: 0.010
  • Inclosure Type: ENCAPSULATED
  • 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 5905-00-482-7807, 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 Trio Laboratories Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-482-7807
Primary Part Number28521
Item NameResistor,fixed,wire Wound,induct
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerTrio Laboratories Inc
StatusCANCELLED
Body Diameter0.312 INCHES NOMINAL IN
Body Length0.875 INCHES NOMINAL IN
Ambient Temp at Full Rated Power25.0 CELSIUS DEGC
Terminal TypeWIRE LEAD
Reliability Failure Rate Level in Percent0.010
Inclosure TypeENCAPSULATED
Power Dissipation Rating in Watts7.000 FREE AIR
Temp Range of Temp Coefficient in Deg Celsius-55.0 TO 275.0
Reliability IndicatorESTABLISHED
Ambient Temp in Deg Celsius at Zero Percent Rated Power275.0
Electrical Resistance100.000 OHMS
Resistance Tolerance in Percent-1.000 TO 1.000
Temp Coefficient of Resistance in Ppm Per Deg Celsius-20.0 TO 20.0
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.).
Style DesignatorAXIAL TERMINAL EACH END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
3110-00-100-056528521 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5360-00-242-0100285-21 INTERCHANGEABLE
Spring,helical,compression
Atb Laurence Scott Ltd
5950-00-820-3872 INTERCHANGEABLE
Transformer,power
4320-01-067-276738233-091 14000 INTERCHANGEABLE
Housing,liquid Pump
The Gorman-Rupp Company Div Gorman-Rupp
5905-01-158-2301 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4320-01-336-142228521 INTERCHANGEABLE
Pump,centrifugal
Industrial Technologies and Services Llc
4730-01-631-738128521 INTERCHANGEABLE
Coupling,pipe
United States Plastic Corp
Cross-Reference Index
Part NumberManufacturer
28521 Trio Laboratories Inc (USA)
RWR84S1000FM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RWR84S1000FR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILR39007-10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-100-0565INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
28521
5360-00-242-0100INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
285-21
5950-00-820-3872INTERCHANGEABLE
TRANSFORMER,POWER
4320-01-067-2767INTERCHANGEABLE
HOUSING,LIQUID PUMP
38233-091 14000
5905-01-158-2301INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4320-01-336-1422INTERCHANGEABLE
PUMP,CENTRIFUGAL
28521
4730-01-631-7381INTERCHANGEABLE
COUPLING,PIPE
28521

Frequently Asked Questions

What is NSN 5905-00-482-7807?

NSN 5905-00-482-7807 is a Resistor,fixed,wire Wound,induct, manufactured by Trio Laboratories Inc, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-482-7807?

NSN 5905-00-482-7807 has 4 cross-referenced part numbers: 28521 (Trio Laboratories Inc), RWR84S1000FM (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), RWR84S1000FR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILR39007-10 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5905-00-482-7807?

There are 7 known substitutes for 5905-00-482-7807: 3110-00-100-0565, 5360-00-242-0100, 5950-00-820-3872 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28521?

Key specifications for 28521: Body Diameter: 0.312 INCHES NOMINAL IN; Body Length: 0.875 INCHES NOMINAL IN; Ambient Temp at Full Rated Power: 25.0 CELSIUS DEGC; Terminal Type: WIRE LEAD. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-482-7807 still in active supply?

NSN 5905-00-482-7807 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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