PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78PR500Resistor,variable,nonwire Wound,

Bi Technologies Corporation Div Bi Technologies Corp. · NSN 5905-00-102-8135 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-102-8135 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-102-8135. Primary manufacturer part number: 78PR500.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Shaft Style: ROUND, SLOTTED
  • Shaft Length: 0.105 INCHES NOMINAL IN
  • Body Width: 0.195 INCHES NOMINAL IN
  • Terminal Length: 0.500 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
  • Actuator Travel Control Feature: CLUTCH
  • Lateral Distance Between Mounting Hole Centers: 1.000 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-102-8135, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5905-00-102-8135
Primary Part Number78PR500
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerBi Technologies Corporation Div Bi Technologies Corp.
StatusACTIVE
Shaft StyleROUND, SLOTTED
Shaft Length0.105 INCHES NOMINAL IN
Body Width0.195 INCHES NOMINAL IN
Terminal Length0.500 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Actuator Travel Control FeatureCLUTCH
Lateral Distance Between Mounting Hole Centers1.000 INCHES NOMINAL IN
Power Dissipation Rating Per Section in Watts0.75 FREE AIR SINGLE SECTION
Terminal Type and Quantity3 PIN
Center to Center Distance Between Terminal Rows0.100 INCHES NOMINAL IN
Terminal LocationLOWER ADJACENT SIDE TWO ROWS
Mounting Facility Quantity2
Electrical Resistance Per Section500.0 OHMS SINGLE SECTION
Mounting MethodUNTHREADED HOLE(S)
Rotary Actuator Travel in Angular Deg7920.0 NOMINAL
Center to Center Distance Between Center Terminal and Outside Terminal0.300 INCHES NOMINAL IN
Center to Center Distance Between Terminals0.700 INCHES NOMINAL IN
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power125.0 SINGLE SECTION
Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius-100.0 TO 100.0 SINGLE SECTION
Actuator TypeSINGLE SHAFT
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 SINGLE SECTION
Mounting Hole Diameter0.093 INCHES NOMINAL IN
Body Height0.320 INCHES NOMINAL IN
Body StyleRECTANGULAR W/MOUNTING HOLES/SLOTS
Effective Electrical Rotation in Deg Angular Rotation7920.0 NOMINAL
Body Length1.250 INCHES NOMINAL IN
Resistance Tolerance Per Section in Percent-20.0 TO 20.0 SINGLE SECTION
Shaft Diameter0.110 INCHES NOMINAL IN
Section Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
7520-01-436-257574520 INTERCHANGEABLE
Punch,paper Electri
Acco Brands Corp
Cross-Reference Index
Part NumberManufacturer
RV4203/350 Saab Aktiebolag (SWE)
78PR500 Tt Electronics - Bi Technologies Ltd (GBR)
78PR500 PRIMARY Bi Technologies Corporation Div Bi Technologies Corp. (USA)
RV4203/350 Saab Ab (publ) - Business Area Surveillance - Ew Systems (SWE)
436-2575 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
7520-01-436-2575INTERCHANGEABLE
PUNCH,PAPER ELECTRI
74520

Frequently Asked Questions

What is NSN 5905-00-102-8135?

NSN 5905-00-102-8135 is a Resistor,variable,nonwire Wound,, 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 5905-00-102-8135?

NSN 5905-00-102-8135 has 5 cross-referenced part numbers: RV4203/350 (Saab Aktiebolag), 78PR500 (Tt Electronics - Bi Technologies Ltd), 78PR500 (Bi Technologies Corporation Div Bi Technologies Corp.), RV4203/350 (Saab Ab (publ) - Business Area Surveillance - Ew Systems), 436-2575 (Nimikkeistokeskus Ncb Finland).

What NSN replaces 5905-00-102-8135?

There is 1 known substitute for 5905-00-102-8135: 7520-01-436-2575. Verify interchangeability with system specifications before substitution.

What are the specifications of 78PR500?

Key specifications for 78PR500: Shaft Style: ROUND, SLOTTED; Shaft Length: 0.105 INCHES NOMINAL IN; Body Width: 0.195 INCHES NOMINAL IN; Terminal Length: 0.500 INCHES NOMINAL IN. 29 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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