The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-123-8450, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 30 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-123-8450 |
| Primary Part Number | ST5M1505-103 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Maximum Running Torque | 0.40 INCH-OUNCES IN |
| Nonturn Device Location | AT 12 OCLOCK |
| Body Diameter | 0.875 INCHES NOMINAL 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 | 0.2494 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN |
| Nonturn Device Radius | 0.290 INCHES NOMINAL IN |
| Fragility Factor | 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 |
| Tap Location From Ccw Terminal Per Section in Ohms | 5000.0 SINGLE SECTION |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 0.50 INCH-OUNCES IN |
| Fixed Tap Quantity Per Section | 1 SINGLE SECTION |
| Temp Coefficient of Resistance 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 | 0.812 INCHES NOMINAL IN |
| Body Length | 0.750 INCHES NOMINAL IN |
| Shaft Runout | 0.003 INCHES IN |
| Tap Location Tolerance Per Section | -2.0 TO 2.0 OHMS SINGLE SECTION |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 3600.0 NOMINAL |
| 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 |
|---|---|
| ST5M1505-103 PRIMARY | The Boeing Company Div Defense (USA) |
| 534-7119 | Vishay Sprague Inc (USA) |
NSN 5905-01-123-8450 is a Resistor,variable,wire Wound,pre, manufactured by The Boeing Company Div Defense, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-123-8450 has 2 manufacturer part numbers on file: ST5M1505-103 (The Boeing Company Div Defense), 534-7119 (Vishay Sprague Inc).
Key specifications for ST5M1505-103: Maximum Running Torque: 0.40 INCH-OUNCES IN; Nonturn Device Location: AT 12 OCLOCK; Body Diameter: 0.875 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0. 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.