PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S323AResistor,variable,wire Wound,pre

Bi Technologies Corporation Div Bi Technologies Corp. · NSN 5905-00-602-9773 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-602-9773 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-602-9773. Primary manufacturer part number: S323A.
Features
  • Resistor,variable,wire Wound,pre — FSC 5905
  • Mounting Bushing Length: 0.250 INCHES NOMINAL IN
  • Body Height: 1.812 INCHES NOMINAL IN
  • Shaft Diameter: 0.312 INCHES NOMINAL IN
  • Function Conformity Tolerance Per Section: -0.25 TO 0.25 ALL SECTIONS
  • Bearing Type: SLEEVE SHAFT
  • Rotary Actuator Travel in Angular Deg: 3600.0 NOMINAL
  • Mounting Method: STANDARD BUSHING
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 5905-00-602-9773, 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 Bi Technologies Corporation Div Bi Technologies Corp.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-602-9773
Primary Part NumberS323A
Item NameResistor,variable,wire Wound,pre
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerBi Technologies Corporation Div Bi Technologies Corp.
StatusACTIVE
Mounting Bushing Length0.250 INCHES NOMINAL IN
Body Height1.812 INCHES NOMINAL IN
Shaft Diameter0.312 INCHES NOMINAL IN
Function Conformity Tolerance Per Section-0.25 TO 0.25 ALL SECTIONS
Bearing TypeSLEEVE SHAFT
Rotary Actuator Travel in Angular Deg3600.0 NOMINAL
Mounting MethodSTANDARD BUSHING
Pilot Diameter Runout0.00200 INCHES IN
Screw Thread Series DesignatorUNEF
Shaft End Play0.005 INCHES IN
Nonturn Device LocationAT 6 OCLOCK
Effective Electrical Rotation in Deg Angular Rotation3600.0 NOMINAL
Maximum Running Torque3.00 INCH-OUNCES IN
Actuator TypeSINGLE SHAFT
Shaft Runout0.0005 INCHES IN
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power85.0 ALL SECTIONS
Screw Thread Quantity Per Inch32.0
Lateral Runout0.003 INCHES IN
Shaft Radial Play0.003 INCHES IN
Maximum Starting Torque3.00 INCH-OUNCES IN
Screw Thread Diameter0.375 INCHES NOMINAL IN
Nonturn Device Radius0.562 INCHES NOMINAL IN
Function Characteristic Per SectionALL SECTIONS LINEAR
Actuator Travel Control FeatureCLUTCH
Function Conformity Per SectionALL SECTIONS INDEPENDENT LINEARITY
Terminal LocationUPPER ADJACENT SIDE SINGLE ROW LOCATION NOT OTHERWISE SPECIFIED
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 ALL SECTIONS
Power Dissipation Rating Per Section in Watts5.0 FREE AIR ALL SECTIONS
Temp Coefficient of Resistance Wire Per Section in Ppm Per Deg Celsius-20.0 TO 20.0 ALL SECTIONS
Ambient Temp in Deg Celsius Per Section at Full Rated Power40.0 ALL SECTIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-141-3665025006 INTERCHANGEABLE
Nut,plain,hexagon
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5930-00-219-750226298 INTERCHANGEABLE
Bar,actuator,electrical Switch
Honeywell International Inc. Div Aerospace - Torrance
5330-00-599-516326298 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4720-00-733-798126298 INTERCHANGEABLE
Hose Assembly,nonmetallic
Stewart & Stevenson Power Products Llc
1660-00-736-823226298 INTERCHANGEABLE
Bracket,disconnect
Avox Systems Inc Dba Avox Systems Inc
Cross-Reference Index
Part NumberManufacturer
S323A Bi Technologies Corporation Div Bi Technologies Corp. (USA)
353-5386 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
SA323B Bi Technologies Corporation Div Bi Technologies Corp. (USA)
26298 Raytheon Company Dba Raytheon (USA)
Related Parts
5310-00-141-3665INTERCHANGEABLE
NUT,PLAIN,HEXAGON
025006
5930-00-219-7502INTERCHANGEABLE
BAR,ACTUATOR,ELECTRICAL SWITCH
26298
5330-00-599-5163INTERCHANGEABLE
SEAL,PLAIN ENCASED
26298
4720-00-733-7981INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
26298
1660-00-736-8232INTERCHANGEABLE
BRACKET,DISCONNECT
26298

Frequently Asked Questions

What is NSN 5905-00-602-9773?

NSN 5905-00-602-9773 is a Resistor,variable,wire Wound,pre, manufactured by Bi Technologies Corporation Div Bi Technologies Corp., classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-602-9773?

NSN 5905-00-602-9773 has 4 cross-referenced part numbers: S323A (Bi Technologies Corporation Div Bi Technologies Corp.), 353-5386 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions), SA323B (Bi Technologies Corporation Div Bi Technologies Corp.), 26298 (Raytheon Company Dba Raytheon).

What NSN replaces 5905-00-602-9773?

There are 5 known substitutes for 5905-00-602-9773: 5310-00-141-3665, 5930-00-219-7502, 5330-00-599-5163 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S323A?

Key specifications for S323A: Mounting Bushing Length: 0.250 INCHES NOMINAL IN; Body Height: 1.812 INCHES NOMINAL IN; Shaft Diameter: 0.312 INCHES NOMINAL IN; Function Conformity Tolerance Per Section: -0.25 TO 0.25 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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