PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A20-1R0JResistor,fixed,film

Welwyn International Inc · NSN 5905-01-166-2797 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-01-166-2797 — this item is cataloged by the U.S. Government under National Stock Number 5905-01-166-2797. Primary manufacturer part number: A20-1R0J.
Features
  • Resistor,fixed,film — FSC 5905
  • Electrical Resistance: 1.000 OHMS
  • Resistance Tolerance in Percent: -1.000 TO 1.000
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 175.0
  • Style Designator: AXIAL TERMINAL EACH END
  • Reliability Indicator: NOT ESTABLISHED
  • Ambient Temp at Full Rated Power: 125.0 CELSIUS DEGC
  • Body Diameter: 0.145 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,fixed,film, cataloged under National Stock Number 5905-01-166-2797, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-01-166-2797
Primary Part NumberA20-1R0J
Item NameResistor,fixed,film
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerWelwyn International Inc
StatusCANCELLED
Electrical Resistance1.000 OHMS
Resistance Tolerance in Percent-1.000 TO 1.000
Ambient Temp in Deg Celsius at Zero Percent Rated Power175.0
Style DesignatorAXIAL TERMINAL EACH END
Reliability IndicatorNOT ESTABLISHED
Ambient Temp at Full Rated Power125.0 CELSIUS DEGC
Body Diameter0.145 INCHES NOMINAL IN
Inclosure TypeENCAPSULATED
Terminal Length1.500 INCHES NOMINAL IN
Terminal TypeWIRE LEAD
Power Dissipation Rating in Watts0.250 FREE AIR
Body Length0.344 INCHES NOMINAL IN
Temp Coefficient of Resistance in Ppm Per Deg Celsius-150.0 TO 150.0
Temp Range of Temp Coefficient in Deg Celsius-55.0 TO 175.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5905-00-408-3784 INTERCHANGEABLE
Resistor,fixed,film
Cross-Reference Index
Part NumberManufacturer
A20-1R0J Welwyn International Inc (USA)
0698-8812 Hewlett-Packard Company Dba HP (USA)
CMF60X000G1R000F Vishay Dale Electronics, Llc Div Vishay Americas (USA)
Related Parts
5905-00-408-3784INTERCHANGEABLE
RESISTOR,FIXED,FILM

Frequently Asked Questions

What is NSN 5905-01-166-2797?

NSN 5905-01-166-2797 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 5905-01-166-2797?

NSN 5905-01-166-2797 has 3 cross-referenced part numbers: A20-1R0J (Welwyn International Inc), 0698-8812 (Hewlett-Packard Company Dba HP), CMF60X000G1R000F (Vishay Dale Electronics, Llc Div Vishay Americas).

What NSN replaces 5905-01-166-2797?

There is 1 known substitute for 5905-01-166-2797: 5905-00-408-3784. Verify interchangeability with system specifications before substitution.

What are the specifications of A20-1R0J?

Key specifications for A20-1R0J: Electrical Resistance: 1.000 OHMS; Resistance Tolerance in Percent: -1.000 TO 1.000; Ambient Temp in Deg Celsius at Zero Percent Rated Power: 175.0; Style Designator: AXIAL TERMINAL EACH END. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-01-166-2797 still in active supply?

NSN 5905-01-166-2797 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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