PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

040302Resistor,variable,nonwire Wound,

Astronics Test Systems Inc · NSN 5905-01-305-7139 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-01-305-7139 — this item is cataloged by the U.S. Government under National Stock Number 5905-01-305-7139. Primary manufacturer part number: 040302.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Actuator Type: SINGLE SHAFT
  • Resistance Tolerance Per Section in Percent: -20.0 TO 20.0 SINGLE SECTION
  • Screw Thread Series Designator: UNEF
  • Switch Type: ROTARY
  • Reliability Indicator: NOT ESTABLISHED
  • Section Quantity: 1
  • Switch Voltage Rating in Volts: 125.0
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-305-7139, 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 Astronics Test Systems Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-01-305-7139
Primary Part Number040302
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerAstronics Test Systems Inc
StatusACTIVE
Actuator TypeSINGLE SHAFT
Resistance Tolerance Per Section in Percent-20.0 TO 20.0 SINGLE SECTION
Screw Thread Series DesignatorUNEF
Switch TypeROTARY
Reliability IndicatorNOT ESTABLISHED
Section Quantity1
Switch Voltage Rating in Volts125.0
Body Diameter0.624 INCHES NOMINAL IN
Electrical Resistance Per Section1.0 MEGOHMS SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Switch Current Type and Rating in Amps3.000 AC
Power Dissipation Rating Per Section in Watts0.2 FREE AIR SINGLE SECTION
Features ProvidedSWITCH
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power85.0 SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power55.0 SINGLE SECTION
Switch Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN, BOTH POSITIONS MAINTAINED
Operating PositionSTART OF ROTATION
Mounting MethodSTANDARD BUSHING
Nonturn Device Radius0.312 INCHES NOMINAL IN
Fragility FactorMODERATELY RUGGED
Screw Thread Quantity Per Inch32.0
Terminal Type and Quantity5 TAB, SOLDER LUG
Device Design TypeNONTURN AT 9:00 OCLOCKUNABLE TO DECODE
Screw Thread Diameter0.250 INCHES NOMINAL IN
Shaft Diameter0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
Mounting Bushing Length0.250 INCHES NOMINAL IN
Shaft Length0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
Body StyleCYLINDRICAL BUSHING MOUNTED
Shaft StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5355-00-098-2680 INTERCHANGEABLE
Cap,knob
5330-00-291-962510455 INTERCHANGEABLE
Seal,plain Encased
Gaf Corp
6515-01-518-59588000-0753 INTERCHANGEABLE
Case,carry for Defibrillator
Zoll Medical Corporation Dba Zoll
Cross-Reference Index
Part NumberManufacturer
040302 Cts Corp Electromechanical Div (USA)
055-T200-D Cts Corp (USA)
040302 PRIMARY Astronics Test Systems Inc (USA)
040302 Cts Corp (USA)
Related Parts
5355-00-098-2680INTERCHANGEABLE
CAP,KNOB
5330-00-291-9625INTERCHANGEABLE
SEAL,PLAIN ENCASED
10455
6515-01-518-5958INTERCHANGEABLE
CASE,CARRY FOR DEFIBRILLATOR
8000-0753

Frequently Asked Questions

What is NSN 5905-01-305-7139?

NSN 5905-01-305-7139 is a Resistor,variable,nonwire Wound,, manufactured by Astronics Test Systems Inc, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-01-305-7139?

NSN 5905-01-305-7139 has 4 cross-referenced part numbers: 040302 (Cts Corp Electromechanical Div), 055-T200-D (Cts Corp), 040302 (Astronics Test Systems Inc), 040302 (Cts Corp).

What NSN replaces 5905-01-305-7139?

There are 3 known substitutes for 5905-01-305-7139: 5355-00-098-2680, 5330-00-291-9625, 6515-01-518-5958. Verify interchangeability with system specifications before substitution.

What are the specifications of 040302?

Key specifications for 040302: Actuator Type: SINGLE SHAFT; Resistance Tolerance Per Section in Percent: -20.0 TO 20.0 SINGLE SECTION; Screw Thread Series Designator: UNEF; Switch Type: ROTARY. 30 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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