PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F20-271GResistor,fixed,film

Welwyn International Inc · NSN 5905-00-771-2286 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-771-2286 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-771-2286. Primary manufacturer part number: F20-271G.
Features
  • Resistor,fixed,film — FSC 5905
  • Electrical Resistance: 270.000 OHMS
  • Temp Coefficient of Resistance in Ppm Per Deg Celsius: -200.0 TO 200.0
  • Temp Range of Temp Coefficient in Deg Celsius: -55.0 TO 150.0
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 150.0
  • Body Diameter: 0.161 INCHES NOMINAL IN
  • Power Dissipation Rating in Watts: 0.500 FREE AIR
  • Style Designator: AXIAL TERMINAL EACH END
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,fixed,film, cataloged under National Stock Number 5905-00-771-2286, 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 Welwyn International Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-771-2286
Primary Part NumberF20-271G
Item NameResistor,fixed,film
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerWelwyn International Inc
StatusCANCELLED
Electrical Resistance270.000 OHMS
Temp Coefficient of Resistance in Ppm Per Deg Celsius-200.0 TO 200.0
Temp Range of Temp Coefficient in Deg Celsius-55.0 TO 150.0
Ambient Temp in Deg Celsius at Zero Percent Rated Power150.0
Body Diameter0.161 INCHES NOMINAL IN
Power Dissipation Rating in Watts0.500 FREE AIR
Style DesignatorAXIAL TERMINAL EACH END
Resistance Tolerance in Percent-2.000 TO 2.000
Body Length0.416 INCHES NOMINAL IN
Ambient Temp at Full Rated Power70.0 CELSIUS DEGC
Terminal TypeWIRE LEAD
Inclosure TypeENCAPSULATED
Test Data Document81349-MIL-R-22684/2 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.).
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5950-00-243-5295RC30 INTERCHANGEABLE
Reactor
Berkshire Transformer
5120-00-322-62238708744 INTERCHANGEABLE
Compressor,piston Ring
U S Army Tank Automotive Command Amsta-Im-Mm
6680-00-786-3950RC-30 INTERCHANGEABLE
Tachometer,mechanical,fixed Moun
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
3455-00-984-3405 INTERCHANGEABLE
File,rotary
5340-01-568-3574RC-30 INTERCHANGEABLE
Cap,protective,dust and Moisture
Caplugs Llc Dba Mokon Div Caplugs
Cross-Reference Index
Part NumberManufacturer
F20-271G Welwyn International Inc (USA)
4171402-037 Raytheon Company Div Rmd Strategic (USA)
RL20S271G American Shizuki Corp (USA)
4171402-37 Raytheon Company Div Rmd Strategic (USA)
B95212A0069B100 Hensoldt Sensors Gmbh (DEU)
352250000751 Thales Nederland (NLD)
418296-69 Raytheon Company Dba Raytheon (USA)
RC30 Nautel Limited (CAN)
MIL-PRF-22684/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
947934-2712 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
MIL-R-22684/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
VBE631/270E-2 Thales Nederland (NLD)
M22684-02-0069 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5905PL0802748 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5N.5105.003.34 Hensoldt Sensors Gmbh Div Seps (DEU)
947934-2712 Litton Systems Inc. Div Navigation Systems Division (USA)
RL20S271G Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5950-00-243-5295INTERCHANGEABLE
REACTOR
RC30
5120-00-322-6223INTERCHANGEABLE
COMPRESSOR,PISTON RING
8708744
6680-00-786-3950INTERCHANGEABLE
TACHOMETER,MECHANICAL,FIXED MOUN
RC-30
3455-00-984-3405INTERCHANGEABLE
FILE,ROTARY
5340-01-568-3574INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
RC-30

Frequently Asked Questions

What is NSN 5905-00-771-2286?

NSN 5905-00-771-2286 is a Resistor,fixed,film, manufactured by Welwyn International Inc, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-771-2286?

NSN 5905-00-771-2286 has 17 cross-referenced part numbers: F20-271G (Welwyn International Inc), 4171402-037 (Raytheon Company Div Rmd Strategic), RL20S271G (American Shizuki Corp), 4171402-37 (Raytheon Company Div Rmd Strategic), B95212A0069B100 (Hensoldt Sensors Gmbh) and 12 more.

What NSN replaces 5905-00-771-2286?

There are 5 known substitutes for 5905-00-771-2286: 5950-00-243-5295, 5120-00-322-6223, 6680-00-786-3950 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F20-271G?

Key specifications for F20-271G: Electrical Resistance: 270.000 OHMS; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -200.0 TO 200.0; Temp Range of Temp Coefficient in Deg Celsius: -55.0 TO 150.0; Ambient Temp in Deg Celsius at Zero Percent Rated Power: 150.0. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-771-2286 still in active supply?

NSN 5905-00-771-2286 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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