PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7276R500L.25Resistor,variable,wire Wound,pre

Bi Technologies Corporation Div Bi Technologies Corp. · NSN 5905-00-434-1845 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-434-1845 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-434-1845. Primary manufacturer part number: 7276R500L.25.
Features
  • Resistor,variable,wire Wound,pre — FSC 5905
  • Features Provided: NONMETALLIC SHAFT
  • Body Length: 1.125 INCHES NOMINAL IN
  • Overall Diameter: 1.090 INCHES NOMINAL IN
  • Mounting Method: STANDARD BUSHING
  • Function Conformity Tolerance Per Section: -0.25 TO 0.25 SINGLE SECTION
  • Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 105.0 SINGLE SECTION
  • Power Dissipation Rating Per Section in Watts: 2.0 FREE AIR 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 5905-00-434-1845, 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 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-434-1845
Primary Part Number7276R500L.25
Item NameResistor,variable,wire Wound,pre
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerBi Technologies Corporation Div Bi Technologies Corp.
StatusACTIVE
Features ProvidedNONMETALLIC SHAFT
Body Length1.125 INCHES NOMINAL IN
Overall Diameter1.090 INCHES NOMINAL IN
Mounting MethodSTANDARD BUSHING
Function Conformity Tolerance Per Section-0.25 TO 0.25 SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power105.0 SINGLE SECTION
Power Dissipation Rating Per Section in Watts2.0 FREE AIR SINGLE SECTION
Rotary Actuator Travel in Angular Deg3600.0 NOMINAL
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Function Conformity Per SectionSINGLE SECTION INDEPENDENT LINEARITY
Electrical Resistance Per Section500.000 OHMS SINGLE SECTION
Temp Coefficient of Resistance Wire Per Section in Ppm Per Deg Celsius-20.0 TO 20.0 SINGLE SECTION
Ambient Temp in Deg Celsius Per Section at Full Rated Power25.0 SINGLE SECTION
Resistance Tolerance Per Section in Percent-5.0 TO 5.0 SINGLE SECTION
Terminal Type and Quantity3 TAB, SOLDER LUG
Actuator Travel Control FeatureSTOPS
Function Characteristic Per SectionSINGLE SECTION LINEAR
Section Quantity1
Shaft Length0.813 INCHES NOMINAL IN
Nonturn Device Radius0.290 INCHES NOMINAL IN
Maximum Starting Torque2.00 INCH-OUNCES IN
Actuator TypeSINGLE SHAFT
Nonturn Device LocationAT 6 OCLOCK
Screw Thread Diameter0.375 INCHES NOMINAL IN
Screw Thread Series DesignatorUNEF
Shaft StyleROUND, SLOTTED
Body Diameter0.875 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Shaft Diameter0.249 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2910-00-218-1262 INTERCHANGEABLE
Pump,fuel,engine
2915-00-705-97203253 INTERCHANGEABLE
Retainer,central
Collins Engine Nozzles, Inc
9320-01-004-3621 INTERCHANGEABLE
Rubber Sheet,solid
5905-01-051-36683253R500 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Bei Sensors & Systems Company, Inc. Dba Bei Duncan
5360-01-216-73403253 INTERCHANGEABLE
Spring,helical,compression
Thomas Products Llc
5915-01-266-06103253 INTERCHANGEABLE
Filter,band Pass
Mechanized Science Seal Inc Dba Ms Bellows
5962-01-364-54303253 INTERCHANGEABLE
Microcircuit,memory
Trig-Tek, Incorporated
5120-01-411-5285 INTERCHANGEABLE
Flush Tool,stud
4130-01-497-3495 INTERCHANGEABLE
Compressor Unit,refrigeration
6610-01-531-69803253 INTERCHANGEABLE
Recorder,flight Data
Amphenol Corp Div Amphenol Aerospace Operations
Cross-Reference Index
Part NumberManufacturer
7276R500L0.25 Bi Technologies Corporation Div Bi Technologies Corp. (USA)
3509S-1-5-501 Recon/optical, Inc. (USA)
3253 Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA)
230050-103 Gould Instrument Systems Inc (USA)
7276R500L.25 PRIMARY Bi Technologies Corporation Div Bi Technologies Corp. (USA)
91708924 Thales Sa (FRA)
3509S1-500 Bourns Inc (USA)
3509S-1-501 Bourns Inc (USA)
Related Parts
2910-00-218-1262INTERCHANGEABLE
PUMP,FUEL,ENGINE
2915-00-705-9720INTERCHANGEABLE
RETAINER,CENTRAL
3253
9320-01-004-3621INTERCHANGEABLE
RUBBER SHEET,SOLID
5905-01-051-3668INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
3253R500
5360-01-216-7340INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3253
5915-01-266-0610INTERCHANGEABLE
FILTER,BAND PASS
3253
5962-01-364-5430INTERCHANGEABLE
MICROCIRCUIT,MEMORY
3253
5120-01-411-5285INTERCHANGEABLE
FLUSH TOOL,STUD
4130-01-497-3495INTERCHANGEABLE
COMPRESSOR UNIT,REFRIGERATION
6610-01-531-6980INTERCHANGEABLE
RECORDER,FLIGHT DATA
3253
4510-01-668-7208INTERCHANGEABLE
FAUCET,SINGLE
3253

Frequently Asked Questions

What is NSN 5905-00-434-1845?

NSN 5905-00-434-1845 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 5905-00-434-1845?

NSN 5905-00-434-1845 has 8 cross-referenced part numbers: 7276R500L0.25 (Bi Technologies Corporation Div Bi Technologies Corp.), 3509S-1-5-501 (Recon/optical, Inc.), 3253 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan), 230050-103 (Gould Instrument Systems Inc), 7276R500L.25 (Bi Technologies Corporation Div Bi Technologies Corp.) and 3 more.

What NSN replaces 5905-00-434-1845?

There are 11 known substitutes for 5905-00-434-1845: 2910-00-218-1262, 2915-00-705-9720, 9320-01-004-3621 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7276R500L.25?

Key specifications for 7276R500L.25: Features Provided: NONMETALLIC SHAFT; Body Length: 1.125 INCHES NOMINAL IN; Overall Diameter: 1.090 INCHES NOMINAL IN; Mounting Method: STANDARD BUSHING. 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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