PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

93866Resistor,variable,wire Wound,pre

Arma Div Ambac Industries Inc · NSN 5905-00-320-9877 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-320-9877 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-320-9877. Primary manufacturer part number: 93866.
Features
  • Resistor,variable,wire Wound,pre — FSC 5905
  • Undercut Width: 0.0620 INCHES NOMINAL IN
  • Body Diameter: 1.781 INCHES MAXIMUM IN
  • Body Style: CYLINDRICAL SERVO MOUNTED
  • Function Conformity Tolerance Per Section: -0.50 TO 0.50 ALL SECTIONS
  • Rotary Actuator Travel in Angular Deg: 360.0 NOMINAL
  • Effective Electrical Rotation in Deg Angular Rotation: 360.0 NOMINAL
  • Actuator Type: SINGLE SHAFT
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 5905-00-320-9877, 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 Arma Div Ambac Industries Inc. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5905-00-320-9877
Primary Part Number93866
Item NameResistor,variable,wire Wound,pre
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerArma Div Ambac Industries Inc
StatusACTIVE
Undercut Width0.0620 INCHES NOMINAL IN
Body Diameter1.781 INCHES MAXIMUM IN
Body StyleCYLINDRICAL SERVO MOUNTED
Function Conformity Tolerance Per Section-0.50 TO 0.50 ALL SECTIONS
Rotary Actuator Travel in Angular Deg360.0 NOMINAL
Effective Electrical Rotation in Deg Angular Rotation360.0 NOMINAL
Actuator TypeSINGLE SHAFT
Tap Location From Ccw Terminal Per Section in Deg of Effective Electrical Rotation180.0 1ST SECTION
Bearing TypeSLEEVE SHAFT
Electrical Resistance Per Section2.0 KILOHMS 1ST SECTION AND 500.0 OHMS 2ND SECTION
Actuator Travel Control FeatureCONTINUOUS MOTION
Mounting MethodCLAMP RING(S)
Terminal LocationRADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Features ProvidedNONMETALLIC SHAFT
Function Characteristic Per SectionALL SECTIONS LINEAR
Function Conformity Per SectionALL SECTIONS INDEPENDENT LINEARITY
Power Dissipation Rating Per Section in Watts3.0 FREE AIR ALL SECTIONS
Terminal Type and Quantity6 TAB, SOLDER LUG
Resistance Tolerance Per Section in Percent-3.0 TO 3.0 ALL SECTIONS
Fixed Tap Quantity Per Section1 1ST SECTION
Tap Location Tolerance Per Section-1.0 TO 1.0 DEG ANGULAR ROTATION 1ST SECTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power25.0 ALL SECTIONS
Mounting Lip Depth0.0620 INCHES NOMINAL IN
Body Length1.750 INCHES MAXIMUM IN
Undercut Diameter1.620 INCHES NOMINAL IN
Shaft StyleROUND
Reliability IndicatorNOT ESTABLISHED
Pilot Diameter0.9990 INCHES MINIMUM AND 0.9995 INCHES MAXIMUM IN
Section Quantity2
Mounting Lip Diameter1.7810 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-015-75061771053 INTERCHANGEABLE
Terminal Board
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4330-00-903-5668T-1567 INTERCHANGEABLE
Filter,fluid
Vermeer Manufacturing Company Dba Vermeer Corporation
Cross-Reference Index
Part NumberManufacturer
93866 Arma Div Ambac Industries Inc
RV1 5-8S36 Bowmar/tic Inc Sub of Bowmar Instrument Corp (USA)
AMB417 Servo Instrument Corporation (USA)
Related Parts
5940-00-015-7506INTERCHANGEABLE
TERMINAL BOARD
1771053
4330-00-903-5668INTERCHANGEABLE
FILTER,FLUID
T-1567

Frequently Asked Questions

What is NSN 5905-00-320-9877?

NSN 5905-00-320-9877 is a Resistor,variable,wire Wound,pre, manufactured by Arma Div Ambac Industries Inc, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-320-9877?

NSN 5905-00-320-9877 has 3 cross-referenced part numbers: 93866 (Arma Div Ambac Industries Inc), RV1 5-8S36 (Bowmar/tic Inc Sub of Bowmar Instrument Corp), AMB417 (Servo Instrument Corporation).

What NSN replaces 5905-00-320-9877?

There are 2 known substitutes for 5905-00-320-9877: 5940-00-015-7506, 4330-00-903-5668. Verify interchangeability with system specifications before substitution.

What are the specifications of 93866?

Key specifications for 93866: Undercut Width: 0.0620 INCHES NOMINAL IN; Body Diameter: 1.781 INCHES MAXIMUM IN; Body Style: CYLINDRICAL SERVO MOUNTED; Function Conformity Tolerance Per Section: -0.50 TO 0.50 ALL SECTIONS. 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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