PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102121Resistor,variable,wire Wound,non

Systron-Donner Corp Microwave/instrument Div · NSN 5905-01-044-9536 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-01-044-9536 — this item is cataloged by the U.S. Government under National Stock Number 5905-01-044-9536. Primary manufacturer part number: 102121.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Features Provided: HUMIDITY PROOF
  • Actuator Type: SINGLE SHAFT
  • Shaft Diameter: 0.115 INCHES NOMINAL IN
  • Electrical Resistance Per Section: 50.0 OHMS SINGLE SECTION
  • Mounting Method: STANDARD BUSHING
  • Effective Electrical Rotation in Deg Angular Rotation: 7920.0 NOMINAL
  • Reliability Indicator: NOT ESTABLISHED
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 5905-01-044-9536, 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 Systron-Donner Corp Microwave/instrument Div. Government technical data includes 28 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-01-044-9536
Primary Part Number102121
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerSystron-Donner Corp Microwave/instrument Div
StatusACTIVE
Features ProvidedHUMIDITY PROOF
Actuator TypeSINGLE SHAFT
Shaft Diameter0.115 INCHES NOMINAL IN
Electrical Resistance Per Section50.0 OHMS SINGLE SECTION
Mounting MethodSTANDARD BUSHING
Effective Electrical Rotation in Deg Angular Rotation7920.0 NOMINAL
Reliability IndicatorNOT ESTABLISHED
Screw Thread Diameter0.190 INCHES NOMINAL IN
Body StyleRECTANGULAR BUSHING MOUNTED
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-50.0 TO 50.0 SINGLE SECTION
Shaft Length3.312 INCHES NOMINAL IN
Body Length1.312 INCHES NOMINAL IN
Actuator Travel Control FeatureCLUTCH
Body Height0.320 INCHES NOMINAL IN
Fragility FactorMODERATELY DELICATE
Rotary Actuator Travel in Angular Deg7920.0 NOMINAL
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power175.0 SINGLE SECTION
Section Quantity1
Body Width0.190 INCHES NOMINAL IN
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 SINGLE SECTION
Shaft StyleROUND, SLOTTED
Screw Thread Quantity Per Inch32.0
Power Dissipation Rating Per Section in Watts1.0 FREE AIR SINGLE SECTION
Mounting Bushing Length0.250 INCHES NOMINAL IN
Terminal Type and Quantity3 WIRE LEAD
Screw Thread Series DesignatorUNF
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 SINGLE SECTION
Terminal LocationREAR END LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6625-00-163-1575247ASC0105-001 INTERCHANGEABLE
Generator,pulse
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5998-00-537-4285102121 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
5930-00-757-431210212-1 INTERCHANGEABLE
Switch,rotary
Shallco, Inc
5365-00-974-9851138608 INTERCHANGEABLE
Plug,machine Thread
Cummins Inc.
5930-01-038-8758 INTERCHANGEABLE
Switch,rotary
5305-01-067-9644102121 INTERCHANGEABLE
Screw,cap,hexagon Head
Mcculloch Corp
6350-01-140-934310-2121 INTERCHANGEABLE
Control,alarm
L3 Technologies, Inc.
5962-01-145-3116 INTERCHANGEABLE
Microcircuit,memory
5998-01-532-7357102121 INTERCHANGEABLE
Circuit Card Assembly
Eventide, Inc
Cross-Reference Index
Part NumberManufacturer
102121 Systron-Donner Corp Microwave/instrument Div (USA)
Related Parts
6625-00-163-1575INTERCHANGEABLE
GENERATOR,PULSE
247ASC0105-001
5998-00-537-4285INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
102121
5930-00-757-4312INTERCHANGEABLE
SWITCH,ROTARY
10212-1
5365-00-974-9851INTERCHANGEABLE
PLUG,MACHINE THREAD
138608
5930-01-038-8758INTERCHANGEABLE
SWITCH,ROTARY
5305-01-067-9644INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
102121
6350-01-140-9343INTERCHANGEABLE
CONTROL,ALARM
10-2121
5962-01-145-3116INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5998-01-532-7357INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
102121

Frequently Asked Questions

What is NSN 5905-01-044-9536?

NSN 5905-01-044-9536 is a Resistor,variable,wire Wound,non, manufactured by Systron-Donner Corp Microwave/instrument Div, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-01-044-9536?

NSN 5905-01-044-9536 has 1 cross-referenced part number: 102121 (Systron-Donner Corp Microwave/instrument Div).

What NSN replaces 5905-01-044-9536?

There are 9 known substitutes for 5905-01-044-9536: 6625-00-163-1575, 5998-00-537-4285, 5930-00-757-4312 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 102121?

Key specifications for 102121: Features Provided: HUMIDITY PROOF; Actuator Type: SINGLE SHAFT; Shaft Diameter: 0.115 INCHES NOMINAL IN; Electrical Resistance Per Section: 50.0 OHMS SINGLE SECTION. 28 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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