PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CMU1021Resistor,variable,nonwire Wound,

Ohmite Holding, L.l.c. Dba Ohmite Manufacturing · NSN 5905-00-993-4928 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-993-4928 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-993-4928. Primary manufacturer part number: CMU1021.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Actuator Type: SINGLE SHAFT
  • Mounting Bushing Length: 0.375 INCHES NOMINAL IN
  • Shaft Style: ROUND, SLOTTED
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Resistance Tolerance Per Section in Percent: -10.0 TO 10.0 SINGLE SECTION
  • Ambient Temp in Deg Celsius Per Section at Full Rated Power: 70.0 SINGLE SECTION
  • Power Dissipation Rating Per Section in Watts: 2.0 FREE AIR SINGLE SECTION
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-993-4928, 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 Ohmite Holding, L.l.c. Dba Ohmite Manufacturing. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5905-00-993-4928
Primary Part NumberCMU1021
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerOhmite Holding, L.l.c. Dba Ohmite Manufacturing
StatusCANCELLED
Actuator TypeSINGLE SHAFT
Mounting Bushing Length0.375 INCHES NOMINAL IN
Shaft StyleROUND, SLOTTED
Terminal Type and Quantity3 TAB, SOLDER LUG
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts2.0 FREE AIR SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Actuator Travel Control FeatureSTOPS
Maximum Stop Torque128.00 INCH-OUNCES IN
Features ProvidedHUMIDITY PROOF
Mounting MethodSTANDARD BUSHING
Device Design TypeNONTURN AT 9:00 OCLOCKUNABLE TO DECODE
Nonturn Device Radius0.531 INCHES NOMINAL IN
Screw Thread Series DesignatorUNEF
Screw Thread Quantity Per Inch32.0
Screw Thread Diameter0.375 INCHES NOMINAL IN
Electrical Resistance Per Section1.000 KILOHMS SINGLE SECTION
Rotary Actuator Travel in Angular Deg309.0 MINIMUM AND 320.0 MAXIMUM
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power120.0 SINGLE SECTION
Body StyleCYLINDRICAL BUSHING MOUNTED
Body Length0.625 INCHES MAXIMUM IN
Shaft Length0.875 INCHES NOMINAL IN
Body Diameter1.156 INCHES MAXIMUM IN
Maximum Starting Torque6.00 INCH-OUNCES IN
Section Quantity1
Shaft Diameter0.250 INCHES NOMINAL IN
Maximum Running Torque6.00 INCH-OUNCES IN
Effective Electrical Rotation in Deg Angular Rotation309.0 MINIMUM AND 320.0 MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5905-00-552-5478 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Cross-Reference Index
Part NumberManufacturer
CMU1021 PRIMARY Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA)
Related Parts
5905-00-552-5478INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,

Frequently Asked Questions

What is NSN 5905-00-993-4928?

NSN 5905-00-993-4928 is a Resistor,variable,nonwire Wound,, manufactured by Ohmite Holding, L.l.c. Dba Ohmite Manufacturing, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-993-4928?

NSN 5905-00-993-4928 has 1 cross-referenced part number: CMU1021 (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing).

What NSN replaces 5905-00-993-4928?

There is 1 known substitute for 5905-00-993-4928: 5905-00-552-5478. Verify interchangeability with system specifications before substitution.

What are the specifications of CMU1021?

Key specifications for CMU1021: Actuator Type: SINGLE SHAFT; Mounting Bushing Length: 0.375 INCHES NOMINAL IN; Shaft Style: ROUND, SLOTTED; Terminal Type and Quantity: 3 TAB, SOLDER LUG. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-993-4928 still in active supply?

NSN 5905-00-993-4928 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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