PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M12-20831FResistor,fixed,film

Welwyn International Inc · NSN 5905-00-798-1426 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-798-1426 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-798-1426. Primary manufacturer part number: M12-20831F.
Features
  • Resistor,fixed,film — FSC 5905
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 150.0
  • Body Length: 0.530 INCHES NOMINAL IN
  • Inclosure Type: ENCAPSULATED
  • Reliability Indicator: NOT ESTABLISHED
  • Terminal Type: WIRE LEAD
  • Body Diameter: 0.160 INCHES NOMINAL IN
  • Power Dissipation Rating in Watts: 0.500 FREE AIR
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,fixed,film, cataloged under National Stock Number 5905-00-798-1426, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, 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
NSN5905-00-798-1426
Primary Part NumberM12-20831F
Item NameResistor,fixed,film
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerWelwyn International Inc
StatusACTIVE
Ambient Temp in Deg Celsius at Zero Percent Rated Power150.0
Body Length0.530 INCHES NOMINAL IN
Inclosure TypeENCAPSULATED
Reliability IndicatorNOT ESTABLISHED
Terminal TypeWIRE LEAD
Body Diameter0.160 INCHES NOMINAL IN
Power Dissipation Rating in Watts0.500 FREE AIR
Ambient Temp at Full Rated Power70.0 CELSIUS DEGC
Style DesignatorAXIAL TERMINAL EACH END
Electrical Resistance20.830 KILOHMS
Resistance Tolerance in Percent-1.000 TO 1.000
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-807-638610392307 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
M12-20831F Welwyn International Inc (USA)
C12-20831F Welwyn International Inc (USA)
309-0245-00 Tektronix, Inc. (USA)
309-245 Tektronix, Inc. (USA)
Related Parts
5950-00-807-6386INTERCHANGEABLE
TRANSFORMER,POWER
10392307

Frequently Asked Questions

What is NSN 5905-00-798-1426?

NSN 5905-00-798-1426 is a Resistor,fixed,film, manufactured by Welwyn International Inc, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-798-1426?

NSN 5905-00-798-1426 has 4 cross-referenced part numbers: M12-20831F (Welwyn International Inc), C12-20831F (Welwyn International Inc), 309-0245-00 (Tektronix, Inc.), 309-245 (Tektronix, Inc.).

What NSN replaces 5905-00-798-1426?

There is 1 known substitute for 5905-00-798-1426: 5950-00-807-6386. Verify interchangeability with system specifications before substitution.

What are the specifications of M12-20831F?

Key specifications for M12-20831F: Ambient Temp in Deg Celsius at Zero Percent Rated Power: 150.0; Body Length: 0.530 INCHES NOMINAL IN; Inclosure Type: ENCAPSULATED; Reliability Indicator: NOT ESTABLISHED. 12 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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