The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-993-4026, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Siemens Schweiz Ag Dba Siemens Switzerland Ltd.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-993-4026 |
| Primary Part Number | V1650-Z3-X310 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Siemens Schweiz Ag Dba Siemens Switzerland Ltd. |
| Status | ACTIVE |
| Maximum Running Torque | 0.60 INCH-OUNCES IN |
| Body Diameter | 0.875 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| 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 | 0.250 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Function Conformity Tolerance Per Section | -0.20 TO 0.20 SINGLE SECTION |
| Overall Diameter | 1.063 INCHES NOMINAL IN |
| Contact Arm Electrical Off Position | FULLY CCW-CW |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 0.60 INCH-OUNCES IN |
| 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 | SHAFT SEAL |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.688 INCHES NOMINAL IN |
| Body Length | 1.000 INCHES NOMINAL IN |
| Maximum Stop Torque | 48.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 3600.0 MINIMUM AND 3610.0 MAXIMUM |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Mechanical Backlash in Deg Angular Rotation | 1.0 |
| 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 |
|---|---|
| V1650-Z3-X310 | Siemens Schweiz Ag Dba Siemens Switzerland Ltd. (CHE) |
| C249-A34-B13 | Siemens Schweiz Ag Dba Siemens Switzerland Ltd. (CHE) |
| Reference | Meaning |
|---|---|
| 3500S1-103 | 3/9 Design control — primary reference U.S. Government activity |
| 3500S-104-103 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5905-00-993-4026 is a Resistor,variable,wire Wound,pre, manufactured by Siemens Schweiz Ag Dba Siemens Switzerland Ltd., classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-993-4026 has 2 manufacturer part numbers on file: V1650-Z3-X310 (Siemens Schweiz Ag Dba Siemens Switzerland Ltd.), C249-A34-B13 (Siemens Schweiz Ag Dba Siemens Switzerland Ltd.).
Key specifications for V1650-Z3-X310: Maximum Running Torque: 0.60 INCH-OUNCES IN; Body Diameter: 0.875 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 10.0 KILOHMS SINGLE SECTION. 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.