PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

309-066Resistor,fixed,film

Tektronix, Inc. · NSN 5905-00-821-1982 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-821-1982 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-821-1982. Primary manufacturer part number: 309-066.
Features
  • Resistor,fixed,film — FSC 5905
  • Electrical Resistance: 40.000 OHMS
  • Style Designator: AXIAL TERMINAL EACH END
  • Ambient Temp in Deg Celsius at Zero Percent Rated Power: 150.0
  • Temp Coefficient of Resistance in Ppm Per Deg Celsius: -500.0 TO 500.0
  • Inclosure Type: ENCAPSULATED
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 0.625 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,fixed,film, cataloged under National Stock Number 5905-00-821-1982, 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 Tektronix, Inc.. Government technical data includes 12 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-821-1982
Primary Part Number309-066
Item NameResistor,fixed,film
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerTektronix, Inc.
StatusCANCELLED
Electrical Resistance40.000 OHMS
Style DesignatorAXIAL TERMINAL EACH END
Ambient Temp in Deg Celsius at Zero Percent Rated Power150.0
Temp Coefficient of Resistance in Ppm Per Deg Celsius-500.0 TO 500.0
Inclosure TypeENCAPSULATED
Reliability IndicatorNOT ESTABLISHED
Body Length0.625 INCHES NOMINAL IN
Ambient Temp at Full Rated Power70.0 CELSIUS DEGC
Terminal TypeWIRE LEAD
Power Dissipation Rating in Watts0.500 FREE AIR
Temp Range of Temp Coefficient in Deg Celsius-55.0 TO 105.0
Resistance Tolerance in Percent-1.000 TO 1.000
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4730-00-356-1085 INTERCHANGEABLE
Tee,pipe to Tube
4140-01-287-247910102928-102 INTERCHANGEABLE
Fan,centrifugal
Rotron Incorporated
Cross-Reference Index
Part NumberManufacturer
309-066 Tektronix, Inc. (USA)
C12-40R0F Welwyn International Inc (USA)
309-0066-00 Tektronix, Inc. (USA)
C12-40 Welwyn International Inc (USA)
Related Parts
4730-00-356-1085INTERCHANGEABLE
TEE,PIPE TO TUBE
4140-01-287-2479INTERCHANGEABLE
FAN,CENTRIFUGAL
10102928-102

Frequently Asked Questions

What is NSN 5905-00-821-1982?

NSN 5905-00-821-1982 is a Resistor,fixed,film, manufactured by Tektronix, Inc., classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-821-1982?

NSN 5905-00-821-1982 has 4 cross-referenced part numbers: 309-066 (Tektronix, Inc.), C12-40R0F (Welwyn International Inc), 309-0066-00 (Tektronix, Inc.), C12-40 (Welwyn International Inc).

What NSN replaces 5905-00-821-1982?

There are 2 known substitutes for 5905-00-821-1982: 4730-00-356-1085, 4140-01-287-2479. Verify interchangeability with system specifications before substitution.

What are the specifications of 309-066?

Key specifications for 309-066: Electrical Resistance: 40.000 OHMS; Style Designator: AXIAL TERMINAL EACH END; Ambient Temp in Deg Celsius at Zero Percent Rated Power: 150.0; Temp Coefficient of Resistance in Ppm Per Deg Celsius: -500.0 TO 500.0. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-821-1982 still in active supply?

NSN 5905-00-821-1982 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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