PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AP18-C93Resistor,variable,wire Wound,pre

Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments · NSN 5905-00-320-9872 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-320-9872 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-320-9872. Primary manufacturer part number: AP18-C93.
Features
  • Resistor,variable,wire Wound,pre — FSC 5905
  • Section Quantity: 1
  • Reliability Indicator: NOT ESTABLISHED
  • Undercut Width: 0.0620 INCHES NOMINAL IN
  • Mounting Lip Diameter: 1.7810 INCHES MAXIMUM IN
  • Undercut Diameter: 1.656 INCHES MAXIMUM IN
  • Rotary Actuator Travel in Angular Deg: 360.0 NOMINAL
  • Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 85.0 SINGLE SECTION
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-320-9872, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-320-9872
Primary Part NumberAP18-C93
Item NameResistor,variable,wire Wound,pre
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerSamarius Precision Instruments, Inc. Dba Samarius Precision Instruments
StatusACTIVE
Section Quantity1
Reliability IndicatorNOT ESTABLISHED
Undercut Width0.0620 INCHES NOMINAL IN
Mounting Lip Diameter1.7810 INCHES MAXIMUM IN
Undercut Diameter1.656 INCHES MAXIMUM IN
Rotary Actuator Travel in Angular Deg360.0 NOMINAL
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power85.0 SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Function Conformity Per SectionSINGLE SECTION INDEPENDENT LINEARITY
Terminal Type and Quantity4 TURRET
Tap Location Tolerance Per Section-5.0 TO 5.0 OHMS SINGLE SECTION
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts4.0 FREE AIR SINGLE SECTION
Mounting MethodCLAMP RING(S)
Function Conformity Tolerance Per Section-1.00 TO 1.00 SINGLE SECTION
Fixed Tap Quantity Per Section1 SINGLE SECTION
Temp Coefficient of Resistance Wire Per Section in Ppm Per Deg Celsius-150.0 TO 150.0 SINGLE SECTION
Tap Location From Ccw Terminal Per Section in Ohms2500.0 SINGLE SECTION
Actuator Travel Control FeatureCONTINUOUS MOTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power25.0 SINGLE SECTION
Electrical Resistance Per Section5.0 KILOHMS SINGLE SECTION
Function Characteristic Per SectionSINGLE SECTION LINEAR
Body StyleCYLINDRICAL SERVO MOUNTED
Actuator TypeSINGLE SHAFT
Shaft Length0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
Shaft Diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Maximum Starting Torque3.00 INCH-OUNCES IN
Mounting Lip Depth0.0620 INCHES NOMINAL IN
Shaft StyleROUND
Body Diameter1.906 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5945-00-211-7039 INTERCHANGEABLE
Relay,electromagnetic
5945-00-985-2026 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
AP18-C93 Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments (USA)
AMB444 Servo Instrument Corporation (USA)
162C150 Ace Electronics Associates Inc (USA)
95263 Arma Div Ambac Industries Inc
AP18-C93 Ace Electronics Associates Inc (USA)
RV15-8S217 Bowmar/tic Inc Sub of Bowmar Instrument Corp (USA)
Related Parts
5945-00-211-7039INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-00-985-2026INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5905-00-320-9872?

NSN 5905-00-320-9872 is a Resistor,variable,wire Wound,pre, 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 5905-00-320-9872?

NSN 5905-00-320-9872 has 6 cross-referenced part numbers: AP18-C93 (Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments), AMB444 (Servo Instrument Corporation), 162C150 (Ace Electronics Associates Inc), 95263 (Arma Div Ambac Industries Inc), AP18-C93 (Ace Electronics Associates Inc) and 1 more.

What NSN replaces 5905-00-320-9872?

There are 2 known substitutes for 5905-00-320-9872: 5945-00-211-7039, 5945-00-985-2026. Verify interchangeability with system specifications before substitution.

What are the specifications of AP18-C93?

Key specifications for AP18-C93: Section Quantity: 1; Reliability Indicator: NOT ESTABLISHED; Undercut Width: 0.0620 INCHES NOMINAL IN; Mounting Lip Diameter: 1.7810 INCHES MAXIMUM 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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