The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-263-5839, 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 30 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5905-01-263-5839 |
| Primary Part Number | 3543S-91-101 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bourns, Inc. Dba Bourns Sensor Controls |
| Status | ACTIVE |
| 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 | 100.0 OHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.2494 INCHES MINIMUM AND 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 | -0.25 TO 0.25 SINGLE SECTION |
| Shaft End Play | 0.010 INCHES IN |
| Precious Material | GOLD |
| Mounting Method | STANDARD BUSHING |
| Temp Coefficient of Resistance Wire Per Section in Ppm Per Deg Celsius | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.781 INCHES MINIMUM AND 0.843 INCHES MAXIMUM IN |
| Body Length | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Shaft Runout | 0.003 INCHES IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 1080.0 MINIMUM AND 1090.0 MAXIMUM |
| Pilot Diameter Runout | 0.003 INCHES IN |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Bearing Type | SLEEVE SHAFT |
| Reliability Indicator | NOT ESTABLISHED |
| 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 |
|---|---|
| 3543S-91-101 PRIMARY | Bourns, Inc. Dba Bourns Sensor Controls (USA) |
| Reference | Meaning |
|---|---|
| SPA-R-30371 | 7/2 Vendor item drawing reference Raytheon Company Dba Raytheon Co |
| 3543S-91-101 | 5/9 Secondary reference Bourns Inc |
| SPA-R-30371 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5905-01-263-5839 is a Resistor,variable,wire Wound,pre, manufactured by Bourns, Inc. Dba Bourns Sensor Controls, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-263-5839 has 1 manufacturer part number on file: 3543S-91-101 (Bourns, Inc. Dba Bourns Sensor Controls).
Key specifications for 3543S-91-101: 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. 30 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.