PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RCR20G121JMResistor,fixed,composition

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5905-00-734-1153 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-734-1153 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-734-1153. Primary manufacturer part number: RCR20G121JM.
Features
  • Resistor,fixed,composition — FSC 5905
  • Body Length: 0.375 INCHES NOMINAL IN
  • Inclosure Type: ENCAPSULATED
  • Body Diameter: 0.138 INCHES NOMINAL IN
  • Terminal Type: WIRE LEAD
  • Power Dissipation Rating in Watts: 0.500 FREE AIR
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 130.0
  • 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 5905-00-734-1153, 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 11 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
NSN5905-00-734-1153
Primary Part NumberRCR20G121JM
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
StatusACTIVE
Body Length0.375 INCHES NOMINAL IN
Inclosure TypeENCAPSULATED
Body Diameter0.138 INCHES NOMINAL IN
Terminal TypeWIRE LEAD
Power Dissipation Rating in Watts0.500 FREE AIR
Ambient Temp in Deg Celsius at Zero Percent Rated Power130.0
Ambient Temp at Full Rated Power70.0 CELSIUS DEGC
Test Data Document81349-MIL-R-39008 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-5.000 TO 5.000
Electrical Resistance120.000 OHMS
Style DesignatorAXIAL TERMINAL EACH END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5905-00-114-5361 INTERCHANGEABLE
Resistor,fixed,composition
Cross-Reference Index
Part NumberManufacturer
RCR20G121JM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILR39008-2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5905-00-114-5361INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION

Frequently Asked Questions

What is NSN 5905-00-734-1153?

NSN 5905-00-734-1153 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: active.

What are the part numbers for NSN 5905-00-734-1153?

NSN 5905-00-734-1153 has 2 cross-referenced part numbers: RCR20G121JM (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILR39008-2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5905-00-734-1153?

There is 1 known substitute for 5905-00-734-1153: 5905-00-114-5361. Verify interchangeability with system specifications before substitution.

What are the specifications of RCR20G121JM?

Key specifications for RCR20G121JM: Body Length: 0.375 INCHES NOMINAL IN; Inclosure Type: ENCAPSULATED; Body Diameter: 0.138 INCHES NOMINAL IN; Terminal Type: WIRE LEAD. 11 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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