PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RC20BF181JResistor,fixed,composition

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5905-00-107-5215 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-107-5215 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-107-5215. Primary manufacturer part number: RC20BF181J.
Features
  • Resistor,fixed,composition — FSC 5905
  • Resistance Tolerance in Percent: -5.000 TO 5.000
  • Terminal Type: WIRE LEAD
  • Power Dissipation Rating in Watts: 0.500 FREE AIR
  • Ambient Temp at Full Rated Power: 40.0 CELSIUS DEGC
  • Body Diameter: 0.138 INCHES NOMINAL IN
  • Inclosure Type: ENCAPSULATED
  • Body Length: 0.375 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,fixed,composition, cataloged under National Stock Number 5905-00-107-5215, 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 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-107-5215
Primary Part NumberRC20BF181J
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
Resistance Tolerance in Percent-5.000 TO 5.000
Terminal TypeWIRE LEAD
Power Dissipation Rating in Watts0.500 FREE AIR
Ambient Temp at Full Rated Power40.0 CELSIUS DEGC
Body Diameter0.138 INCHES NOMINAL IN
Inclosure TypeENCAPSULATED
Body Length0.375 INCHES NOMINAL IN
Ambient Temp in Deg Celsius at Zero Percent Rated Power110.0
Style DesignatorAXIAL TERMINAL EACH END
Test Data Document81349-MIL-R-11 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 Resistance180.000 OHMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5905-00-111-4736 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-279-3514 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-841-7460 INTERCHANGEABLE
Resistor,fixed,composition
5905-00-935-8544 INTERCHANGEABLE
Resistor,fixed,composition
5950-01-007-6534 INTERCHANGEABLE
Transformer,power
6695-01-448-5162500434 INTERCHANGEABLE
Control,indicator
Intercomp Co
Cross-Reference Index
Part NumberManufacturer
RC20BF181J Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RC20GF181J Rockwell Automation, Inc. Dba Rockwell Automation (USA)
MILR11A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
213461PC31 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
500434 International Telephone and Telegraph Corp Itt Gilfillan Div (USA)
Related Parts
5905-00-111-4736INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-279-3514INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-841-7460INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5905-00-935-8544INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5950-01-007-6534INTERCHANGEABLE
TRANSFORMER,POWER
6695-01-448-5162INTERCHANGEABLE
CONTROL,INDICATOR
500434

Frequently Asked Questions

What is NSN 5905-00-107-5215?

NSN 5905-00-107-5215 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 5905-00-107-5215?

NSN 5905-00-107-5215 has 5 cross-referenced part numbers: RC20BF181J (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), RC20GF181J (Rockwell Automation, Inc. Dba Rockwell Automation), MILR11A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 213461PC31 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 500434 (International Telephone and Telegraph Corp Itt Gilfillan Div).

What NSN replaces 5905-00-107-5215?

There are 6 known substitutes for 5905-00-107-5215: 5905-00-111-4736, 5905-00-279-3514, 5905-00-841-7460 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RC20BF181J?

Key specifications for RC20BF181J: Resistance Tolerance in Percent: -5.000 TO 5.000; Terminal Type: WIRE LEAD; Power Dissipation Rating in Watts: 0.500 FREE AIR; Ambient Temp at Full Rated Power: 40.0 CELSIUS DEGC. 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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