PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CM25339Resistor,variable,wire Wound,non

Clarostat Sensors and Controls · NSN 5905-00-851-4898 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-851-4898 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-851-4898. Primary manufacturer part number: CM25339.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Resistance Tolerance Per Section in Percent: -20.0 TO 20.0 SINGLE SECTION
  • Mounting Bushing Length: 0.375 INCHES NOMINAL IN
  • Switch Contact Arrangement: SINGLE POLE, DOUBLE THROW, THREE POSITIONS MAINTAINED
  • Switch Operating Position: START OF ROTATION
  • Terminal Type and Quantity: 6 TAB, SOLDER LUG
  • Power Dissipation Rating Per Section in Watts: 2.0 FREE AIR SINGLE SECTION
  • Screw Thread Quantity Per Inch: 32.0
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-851-4898, 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 Clarostat Sensors and Controls. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5905-00-851-4898
Primary Part NumberCM25339
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerClarostat Sensors and Controls
StatusCANCELLED
Resistance Tolerance Per Section in Percent-20.0 TO 20.0 SINGLE SECTION
Mounting Bushing Length0.375 INCHES NOMINAL IN
Switch Contact ArrangementSINGLE POLE, DOUBLE THROW, THREE POSITIONS MAINTAINED
Switch Operating PositionSTART OF ROTATION
Terminal Type and Quantity6 TAB, SOLDER LUG
Power Dissipation Rating Per Section in Watts2.0 FREE AIR SINGLE SECTION
Screw Thread Quantity Per Inch32.0
Features ProvidedSWITCH
Electrical Resistance Per Section20.0 KILOHMS SINGLE SECTION
Mounting MethodSTANDARD BUSHING
Switch TypeROTARY
Screw Thread Series DesignatorUNEF
Reliability IndicatorNOT ESTABLISHED
Screw Thread Diameter0.375 INCHES NOMINAL IN
Shaft StyleROUND, SLOTTED
Switch Current Type and Rating in Amps3.000 AC/DC
Actuator TypeSINGLE SHAFT
Section Quantity1
Nonturn Device Radius0.530 INCHES NOMINAL IN
Switch Voltage Rating in Volts125.0
Shaft Length0.750 INCHES NOMINAL IN
Shaft Diameter0.250 INCHES NOMINAL IN
Nonturn Device LocationAT 9 OCLOCK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5950-01-127-8674311-108 INTERCHANGEABLE
Transformer,power
B.c. Systems Inc. Dba Bc Systems Inc
6240-01-266-7406311108 INTERCHANGEABLE
Lamp,incandescent
Heraeus Kulzer Llc
Cross-Reference Index
Part NumberManufacturer
CM25339 Clarostat Sensors and Controls (USA)
311-0108-00 Tektronix, Inc. (USA)
311-108 Tektronix, Inc. (USA)
Related Parts
5950-01-127-8674INTERCHANGEABLE
TRANSFORMER,POWER
311-108
6240-01-266-7406INTERCHANGEABLE
LAMP,INCANDESCENT
311108

Frequently Asked Questions

What is NSN 5905-00-851-4898?

NSN 5905-00-851-4898 is a Resistor,variable,wire Wound,non, manufactured by Clarostat Sensors and Controls, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-851-4898?

NSN 5905-00-851-4898 has 3 cross-referenced part numbers: CM25339 (Clarostat Sensors and Controls), 311-0108-00 (Tektronix, Inc.), 311-108 (Tektronix, Inc.).

What NSN replaces 5905-00-851-4898?

There are 2 known substitutes for 5905-00-851-4898: 5950-01-127-8674, 6240-01-266-7406. Verify interchangeability with system specifications before substitution.

What are the specifications of CM25339?

Key specifications for CM25339: Resistance Tolerance Per Section in Percent: -20.0 TO 20.0 SINGLE SECTION; Mounting Bushing Length: 0.375 INCHES NOMINAL IN; Switch Contact Arrangement: SINGLE POLE, DOUBLE THROW, THREE POSITIONS MAINTAINED; Switch Operating Position: START OF ROTATION. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-851-4898 still in active supply?

NSN 5905-00-851-4898 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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