PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

511220Resistor,variable,wire Wound,non

Instruments and Flight Research, Inc. · NSN 5905-00-539-1546 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-539-1546 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-539-1546. Primary manufacturer part number: 511220.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Body Diameter: 1.562 INCHES NOMINAL IN
  • Effective Electrical Rotation in Deg Angular Rotation: 300.0 NOMINAL
  • First Flat Length: 0.343 INCHES NOMINAL IN
  • Mounting Bushing Length: 0.375 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Section Quantity: 1
  • Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 340.0 SINGLE SECTION
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 5905-00-539-1546, 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 Instruments and Flight Research, Inc.. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5905-00-539-1546
Primary Part Number511220
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerInstruments and Flight Research, Inc.
StatusACTIVE
Body Diameter1.562 INCHES NOMINAL IN
Effective Electrical Rotation in Deg Angular Rotation300.0 NOMINAL
First Flat Length0.343 INCHES NOMINAL IN
Mounting Bushing Length0.375 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Section Quantity1
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power340.0 SINGLE SECTION
Mounting MethodSTANDARD BUSHING
Electrical Resistance Per Section100.000 OHMS SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power40.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts50.0 FREE AIR SINGLE SECTION
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Rotary Actuator Travel in Angular Deg300.0 NOMINAL
Actuator Travel Control FeatureSTOPS
Terminal Type and Quantity3 TAB, SOLDER LUG
Screw Thread Diameter0.375 INCHES NOMINAL IN
Shaft Diameter0.250 INCHES NOMINAL IN
Screw Thread Series DesignatorUNEF
Flat Height0.218 INCHES NOMINAL IN
Screw Thread Quantity Per Inch32.0
Body StyleCYLINDRICAL BUSHING MOUNTED
Overall Diameter1.876 INCHES NOMINAL IN
Shaft StyleROUND, FLATTED
Actuator TypeSINGLE SHAFT
Contact Arm Electrical Off PositionFULLY CCW
Shaft Length0.875 INCHES NOMINAL IN
Body Length1.375 INCHES NOMINAL IN
Nonturn Device Radius0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6515-00-518-546451-8120 INTERCHANGEABLE
Tube,tracheostomy
Pilling Surgical Inc Dba Pilling Weck Div Pilling Instruments
5940-00-752-03727520372 INTERCHANGEABLE
Terminal Board
U S Army Tank Automotive Command Amsta-Im-Mm
5998-01-121-7029511220 INTERCHANGEABLE
Circuit Card Assembly
Fluke Corp
Cross-Reference Index
Part NumberManufacturer
15301-352 Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA)
511220 PRIMARY Instruments and Flight Research, Inc. (USA)
Related Parts
6515-00-518-5464INTERCHANGEABLE
TUBE,TRACHEOSTOMY
51-8120
5940-00-752-0372INTERCHANGEABLE
TERMINAL BOARD
7520372
5998-01-121-7029INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
511220

Frequently Asked Questions

What is NSN 5905-00-539-1546?

NSN 5905-00-539-1546 is a Resistor,variable,wire Wound,non, manufactured by Instruments and Flight Research, Inc., classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-539-1546?

NSN 5905-00-539-1546 has 2 cross-referenced part numbers: 15301-352 (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing), 511220 (Instruments and Flight Research, Inc.).

What NSN replaces 5905-00-539-1546?

There are 3 known substitutes for 5905-00-539-1546: 6515-00-518-5464, 5940-00-752-0372, 5998-01-121-7029. Verify interchangeability with system specifications before substitution.

What are the specifications of 511220?

Key specifications for 511220: Body Diameter: 1.562 INCHES NOMINAL IN; Effective Electrical Rotation in Deg Angular Rotation: 300.0 NOMINAL; First Flat Length: 0.343 INCHES NOMINAL IN; Mounting Bushing Length: 0.375 INCHES NOMINAL IN. 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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