PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AP12C9Resistor,variable,wire Wound,non

Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments · NSN 5905-00-676-7661 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-676-7661 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-676-7661. Primary manufacturer part number: AP12C9.
Features
  • Resistor,variable,wire Wound,non — FSC 5905
  • Flat Height: 0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
  • Shaft Diameter: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
  • Section Quantity: 1
  • Screw Thread Series Designator: UNEF
  • Screw Thread Quantity Per Inch: 32.0
  • Screw Thread Diameter: 0.375 INCHES NOMINAL IN
  • Terminal Location: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE 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 5905-00-676-7661, 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 Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-676-7661
Primary Part NumberAP12C9
Item NameResistor,variable,wire Wound,non
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerSamarius Precision Instruments, Inc. Dba Samarius Precision Instruments
StatusACTIVE
Flat Height0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
Shaft Diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Section Quantity1
Screw Thread Series DesignatorUNEF
Screw Thread Quantity Per Inch32.0
Screw Thread Diameter0.375 INCHES NOMINAL IN
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-20.0 TO 20.0 SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power180.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts0.25 FREE AIR SINGLE SECTION
Actuator Travel Control FeatureSTOPS
Terminal Type and Quantity3 TURRET
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 SINGLE SECTION
First Flat Length0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Actuator TypeSINGLE SHAFT
Mounting MethodSTANDARD BUSHING
Body Diameter1.141 INCHES MAXIMUM IN
Body Length0.594 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Mounting Bushing Length0.250 INCHES NOMINAL IN
Rotary Actuator Travel in Angular Deg300.0 NOMINAL
Shaft Length0.531 INCHES NOMINAL IN
Body StyleCYLINDRICAL BUSHING MOUNTED
Electrical Resistance Per Section500.000 OHMS SINGLE SECTION
Shaft StyleROUND, FLATTED
Effective Electrical Rotation in Deg Angular Rotation300.0 NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4330-00-926-111258-587 INTERCHANGEABLE
Filter Element,fluid
Pakon Inc Dba Impak Division
Cross-Reference Index
Part NumberManufacturer
AP1 1-8 Honeywell Sensing & Control (USA)
741-6039 Bunker Ramo Corp Amphenol Controls Div (USA)
AP1 1-8 Data Instruments Inc (USA)
AP12C9 PRIMARY Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments (USA)
AP12C9 Ace Electronics Associates Inc (USA)
ES1230 Drs Sustainment Systems, Inc. (USA)
741-6039 PRIMARY Servo Instrument Corporation (USA)
Related Parts
4330-00-926-1112INTERCHANGEABLE
FILTER ELEMENT,FLUID
58-587

Frequently Asked Questions

What is NSN 5905-00-676-7661?

NSN 5905-00-676-7661 is a Resistor,variable,wire Wound,non, manufactured by Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-676-7661?

NSN 5905-00-676-7661 has 7 cross-referenced part numbers: AP1 1-8 (Honeywell Sensing & Control), 741-6039 (Bunker Ramo Corp Amphenol Controls Div), AP1 1-8 (Data Instruments Inc), AP12C9 (Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments), AP12C9 (Ace Electronics Associates Inc) and 2 more.

What NSN replaces 5905-00-676-7661?

There is 1 known substitute for 5905-00-676-7661: 4330-00-926-1112. Verify interchangeability with system specifications before substitution.

What are the specifications of AP12C9?

Key specifications for AP12C9: Flat Height: 0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN; Shaft Diameter: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Section Quantity: 1; Screw Thread Series Designator: UNEF. 27 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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