PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RC42GF821KResistor,fixed,composition

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5905-00-279-2286 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-279-2286 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-279-2286. Primary manufacturer part number: RC42GF821K.
Features
  • Resistor,fixed,composition — FSC 5905
  • Resistance Tolerance in Percent: -5.000 TO 5.000
  • Terminal Type: WIRE LEAD
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 130.0
  • Body Length: 0.688 INCHES NOMINAL IN
  • Body Diameter: 0.318 INCHES NOMINAL IN
  • Power Dissipation Rating in Watts: 2.000 FREE AIR
  • Ambient Temp at Full Rated Power: 70.0 CELSIUS DEGC
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,fixed,composition, cataloged under National Stock Number 5905-00-279-2286, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-279-2286
Primary Part NumberRC42GF821K
Item NameResistor,fixed,composition
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Resistance Tolerance in Percent-5.000 TO 5.000
Terminal TypeWIRE LEAD
Ambient Temp in Deg Celsius at Zero Percent Rated Power130.0
Body Length0.688 INCHES NOMINAL IN
Body Diameter0.318 INCHES NOMINAL IN
Power Dissipation Rating in Watts2.000 FREE AIR
Ambient Temp at Full Rated Power70.0 CELSIUS DEGC
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeENCAPSULATED
Test Data Document81349-MILR11/7 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.).
Electrical Resistance820.000 OHMS
Style DesignatorAXIAL TERMINAL EACH END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5905-00-175-8508 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-195-6821 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-521-179997004-J8201 INTERCHANGEABLE
Resistor,fixed,film
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
Cross-Reference Index
Part NumberManufacturer
RC42GF821K Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4171304-015 Raytheon Company Div Rmd Strategic (USA)
206-10307-183 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
206-10307-183 Motorola Inc. Dba Integrated Information Systems Group (USA)
5N5102-040-71 Hensoldt Sensors Gmbh Div Seps (DEU)
280-1147P70 Raytheon Company Dba Raytheon Co (USA)
4171304-015 Raytheon Company Dba Raytheon (USA)
280-1147P70 Raytheon Company Div Corp (USA)
99007831 Thales Las France SAS (FRA)
RC42GF821J Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
99007831 Thales Deutschland Gmbh (DEU)
MILR11-7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RES 820U00 005% 0002W AG08X018 Direction Centrale Du Materiel De L'armee De L'air (dcmaa) (FRA)
0317081 International Business Machines Corporation Dba IBM (USA)
Related Parts
5905-00-175-8508INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-195-6821INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-521-1799INTERCHANGEABLE
RESISTOR,FIXED,FILM
97004-J8201

Frequently Asked Questions

What is NSN 5905-00-279-2286?

NSN 5905-00-279-2286 is a Resistor,fixed,composition, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-279-2286?

NSN 5905-00-279-2286 has 14 cross-referenced part numbers: RC42GF821K (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 4171304-015 (Raytheon Company Div Rmd Strategic), 206-10307-183 (General Dynamics Mission Systems, Inc. Dba Gdms), 206-10307-183 (Motorola Inc. Dba Integrated Information Systems Group), 5N5102-040-71 (Hensoldt Sensors Gmbh Div Seps) and 9 more.

What NSN replaces 5905-00-279-2286?

There are 3 known substitutes for 5905-00-279-2286: 5905-00-175-8508, 5905-00-195-6821, 5905-00-521-1799. Verify interchangeability with system specifications before substitution.

What are the specifications of RC42GF821K?

Key specifications for RC42GF821K: Resistance Tolerance in Percent: -5.000 TO 5.000; Terminal Type: WIRE LEAD; Ambient Temp in Deg Celsius at Zero Percent Rated Power: 130.0; Body Length: 0.688 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-279-2286 still in active supply?

NSN 5905-00-279-2286 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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