PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AR7501Resistor,variable,wire Wound,non

Superior Electric Holding Group Llc Div Specialty Product Technologies · NSN 5905-00-665-8321 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-665-8321 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-665-8321. Primary manufacturer part number: AR7501.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Effective Electrical Rotation in Deg Angular Rotation: 300.0 NOMINAL
  • Maximum Starting Torque: 4.00 INCH-OUNCES IN
  • Maximum Running Torque: 4.00 INCH-OUNCES IN
  • Screw Thread Diameter: 0.375 INCHES NOMINAL IN
  • Resistance Tolerance Per Section in Percent: -10.0 TO 10.0 SINGLE SECTION
  • Power Dissipation Rating Per Section in Watts: 12.0 FREE AIR SINGLE SECTION
  • Terminal Location: REAR END LOCATION NOT OTHERWISE SPECIFIED
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 5905-00-665-8321, 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 Superior Electric Holding Group Llc Div Specialty Product Technologies. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-665-8321
Primary Part NumberAR7501
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerSuperior Electric Holding Group Llc Div Specialty Product Technologies
StatusCANCELLED
Effective Electrical Rotation in Deg Angular Rotation300.0 NOMINAL
Maximum Starting Torque4.00 INCH-OUNCES IN
Maximum Running Torque4.00 INCH-OUNCES IN
Screw Thread Diameter0.375 INCHES NOMINAL IN
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts12.0 FREE AIR SINGLE SECTION
Terminal LocationREAR END LOCATION NOT OTHERWISE SPECIFIED
Actuator Travel Control FeatureSTOPS
Terminal Type and Quantity3 TAB, SOLDER LUG
Ambient Temp in Deg Celsius Per Section at Full Rated Power25.0 SINGLE SECTION
Body Length1.594 INCHES MINIMUM AND 1.656 INCHES MAXIMUM IN
Shaft Length0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
Screw Thread Series DesignatorUNEF
Overall Diameter1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
Section Quantity1
Mounting MethodSTANDARD BUSHING
Mounting Bushing Length0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
Rotary Actuator Travel in Angular Deg300.0 NOMINAL
Actuator TypeSINGLE SHAFT
Reliability IndicatorNOT ESTABLISHED
Screw Thread Quantity Per Inch32.0
Shaft Diameter0.250 INCHES NOMINAL IN
Body StyleCYLINDRICAL BUSHING MOUNTED
Electrical Resistance Per Section10.000 KILOHMS SINGLE SECTION
Shaft StyleROUND, SLOTTED
Body Diameter1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power340.0 SINGLE SECTION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5330-00-732-448428139 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
2920-00-737-1312A5074 INTERCHANGEABLE
Harness
Am General Llc
5360-00-912-0527 INTERCHANGEABLE
Spring
4820-00-947-397424221-P INTERCHANGEABLE
Valve,angle
Primore Sales Inc
3110-01-080-251328139 INTERCHANGEABLE
Shield,bearing,replacement
Electro-Tec Corp Dba Moog Inc., Components Group
5330-01-141-2502 INTERCHANGEABLE
Seal Ring,metal
5310-01-224-140828139 INTERCHANGEABLE
Nut,plain,round
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
5930-01-261-421628139 INTERCHANGEABLE
Switch,slide
Daytronic Corporation
5110-01-428-967028-139 INTERCHANGEABLE
Knife,scraping
The Stanley Works Dba Stanley Proto
5120-01-505-434728139 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Wta Tool Llc
Cross-Reference Index
Part NumberManufacturer
AR7501 PRIMARY Superior Electric Holding Group Llc Div Specialty Product Technologies (USA)
H-103-R6 Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA)
28139 Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA)
AR7501CHANGE4 Superior Electric Holding Group Llc Div Specialty Product Technologies (USA)
Related Parts
5330-00-732-4484INTERCHANGEABLE
GASKET
28139
2920-00-737-1312INTERCHANGEABLE
HARNESS
A5074
5360-00-912-0527INTERCHANGEABLE
SPRING
4820-00-947-3974INTERCHANGEABLE
VALVE,ANGLE
24221-P
3110-01-080-2513INTERCHANGEABLE
SHIELD,BEARING,REPLACEMENT
28139
5330-01-141-2502INTERCHANGEABLE
SEAL RING,METAL
5310-01-224-1408INTERCHANGEABLE
NUT,PLAIN,ROUND
28139
5930-01-261-4216INTERCHANGEABLE
SWITCH,SLIDE
28139
5110-01-428-9670INTERCHANGEABLE
KNIFE,SCRAPING
28-139
5120-01-505-4347INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
28139

Frequently Asked Questions

What is NSN 5905-00-665-8321?

NSN 5905-00-665-8321 is a Resistor,variable,wire Wound,non, manufactured by Superior Electric Holding Group Llc Div Specialty Product Technologies, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-665-8321?

NSN 5905-00-665-8321 has 4 cross-referenced part numbers: AR7501 (Superior Electric Holding Group Llc Div Specialty Product Technologies), H-103-R6 (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing), 28139 (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing), AR7501CHANGE4 (Superior Electric Holding Group Llc Div Specialty Product Technologies).

What NSN replaces 5905-00-665-8321?

There are 10 known substitutes for 5905-00-665-8321: 5330-00-732-4484, 2920-00-737-1312, 5360-00-912-0527 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AR7501?

Key specifications for AR7501: Effective Electrical Rotation in Deg Angular Rotation: 300.0 NOMINAL; Maximum Starting Torque: 4.00 INCH-OUNCES IN; Maximum Running Torque: 4.00 INCH-OUNCES IN; Screw Thread Diameter: 0.375 INCHES NOMINAL IN. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-665-8321 still in active supply?

NSN 5905-00-665-8321 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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