The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-075-7056, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bourns, Inc. Dba Bourns Sensor Controls. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-075-7056 |
| Primary Part Number | 3540S-561-103 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bourns, Inc. Dba Bourns Sensor Controls |
| Status | ACTIVE |
| Maximum Running Torque | 0.60 INCH-OUNCES IN |
| Nonturn Device Location | AT 12 OCLOCK |
| Body Diameter | 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Lateral Runout | 0.005 INCHES IN |
| Electrical Resistance Per Section | 10.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.2497 INCHES MAXIMUM IN |
| Nonturn Device Radius | 0.290 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGED |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Function Conformity Tolerance Per Section | -0.10 TO 0.10 SINGLE SECTION |
| Shaft End Play | 0.010 INCHES IN |
| Precious Material | GOLD |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 0.60 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -50.0 TO 50.0 SINGLE SECTION |
| Terminal Location | LONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.781 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN |
| Body Length | 0.609 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Maximum Stop Torque | 75.00 INCH-OUNCES IN |
| Shaft Runout | 0.003 INCHES IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 3600.0 MINIMUM |
| Pilot Diameter Runout | 0.003 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3540S-561-103 | Bourns, Inc. Dba Bourns Sensor Controls (USA) |
| 534-9917 | Vishay Sprague Inc (USA) |
| Reference | Meaning |
|---|---|
| 311-1729-00 | 3/2 Design control — primary reference U.S. Government activity |
| 534-9917 | 5/9 Secondary reference IV-Electronic Klaus Vespermann Kg |
| 3540S-561-103 | 5/9 Secondary reference Bourns Inc |
NSN 5905-01-075-7056 is a Resistor,variable,wire Wound,pre, manufactured by Bourns, Inc. Dba Bourns Sensor Controls, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-075-7056 has 2 manufacturer part numbers on file: 3540S-561-103 (Bourns, Inc. Dba Bourns Sensor Controls), 534-9917 (Vishay Sprague Inc).
Key specifications for 3540S-561-103: Maximum Running Torque: 0.60 INCH-OUNCES IN; Nonturn Device Location: AT 12 OCLOCK; Body Diameter: 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN; Screw Thread Quantity Per Inch: 32.0. 29 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.