PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

94180Resistor,variable,wire Wound,pre

Arma Div Ambac Industries Inc · NSN 5905-00-333-3073 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-333-3073 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-333-3073. Primary manufacturer part number: 94180.
Features
  • Resistor,variable,wire Wound,pre — FSC 5905
  • Shaft Length: 0.875 INCHES NOMINAL IN
  • Pilot Length: 0.0620 INCHES NOMINAL IN
  • Undercut Diameter: 1.781 INCHES NOMINAL IN
  • Section Quantity: 3
  • Pilot Diameter: 1.7810 INCHES NOMINAL IN
  • Rotary Actuator Travel in Angular Deg: 360.0 NOMINAL
  • Bearing Type: BALL 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 5905-00-333-3073, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5905-00-333-3073
Primary Part Number94180
Item NameResistor,variable,wire Wound,pre
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerArma Div Ambac Industries Inc
StatusACTIVE
Shaft Length0.875 INCHES NOMINAL IN
Pilot Length0.0620 INCHES NOMINAL IN
Undercut Diameter1.781 INCHES NOMINAL IN
Section Quantity3
Pilot Diameter1.7810 INCHES NOMINAL IN
Rotary Actuator Travel in Angular Deg360.0 NOMINAL
Bearing TypeBALL SHAFT
Function Conformity Tolerance Per Section-0.25 TO 0.25 ALL SECTIONS
Shaft Radial Play0.001 INCHES IN
Shaft End Play0.005 INCHES IN
Effective Electrical Rotation in Deg Angular Rotation320.0 NOMINAL
Maximum Starting Torque8.00 INCH-OUNCES IN
Actuator TypeSINGLE SHAFT
Pilot Diameter Runout0.00100 INCHES IN
Maximum Running Torque8.00 INCH-OUNCES IN
Shaft Runout0.001 INCHES IN
Lateral Runout0.001 INCHES IN
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 ALL SECTIONS
Actuator Travel Control FeatureCONTINUOUS MOTION
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power80.0 ALL SECTIONS
Electrical Resistance Per Section50.0 KILOHMS 1ST SECTION AND 5.0 KILOHMS 2ND SECTION AND 30.0 KILOHMS 3RD SECTION
Function Conformity Per SectionALL SECTIONS INDEPENDENT LINEARITY
Mounting MethodCLAMP RING(S)
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Power Dissipation Rating Per Section in Watts3.0 FREE AIR ALL SECTIONS
Terminal Type and Quantity9 TURRET
Ambient Temp in Deg Celsius Per Section at Full Rated Power25.0 ALL SECTIONS
Function Characteristic Per SectionALL SECTIONS LINEAR
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-50.0 TO 50.0 ALL SECTIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3455-00-228-5223ASME B94.19 TABLE 41 INTERCHANGEABLE
Cutter,milling,end
The American Society of Mechanical Engineers
2915-00-620-840894180 INTERCHANGEABLE
Seat,spring
Triumph Engine Control Systems Llc
1005-01-592-149094180 INTERCHANGEABLE
Bottom Plate,cartridge,small Arm
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
94180 Arma Div Ambac Industries Inc
AMB421 Sensor Systems, L.l.c. Dba Sensor Systems Llc (USA)
AME42 Sensor Systems, L.l.c. Dba Sensor Systems Llc (USA)
AMB421 Servo Instrument Corporation (USA)
1 5-8-5216 Bowmar/tic Inc Sub of Bowmar Instrument Corp (USA)
Related Parts
3455-00-228-5223INTERCHANGEABLE
CUTTER,MILLING,END
ASME B94.19 TABLE 41
2915-00-620-8408INTERCHANGEABLE
SEAT,SPRING
94180
1005-01-592-1490INTERCHANGEABLE
BOTTOM PLATE,CARTRIDGE,SMALL ARM
94180

Frequently Asked Questions

What is NSN 5905-00-333-3073?

NSN 5905-00-333-3073 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 5905-00-333-3073?

NSN 5905-00-333-3073 has 5 cross-referenced part numbers: 94180 (Arma Div Ambac Industries Inc), AMB421 (Sensor Systems, L.l.c. Dba Sensor Systems Llc), AME42 (Sensor Systems, L.l.c. Dba Sensor Systems Llc), AMB421 (Servo Instrument Corporation), 1 5-8-5216 (Bowmar/tic Inc Sub of Bowmar Instrument Corp).

What NSN replaces 5905-00-333-3073?

There are 3 known substitutes for 5905-00-333-3073: 3455-00-228-5223, 2915-00-620-8408, 1005-01-592-1490. Verify interchangeability with system specifications before substitution.

What are the specifications of 94180?

Key specifications for 94180: Shaft Length: 0.875 INCHES NOMINAL IN; Pilot Length: 0.0620 INCHES NOMINAL IN; Overall Length: 3.406 INCHES NOMINAL IN; Undercut Diameter: 1.781 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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