The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-779-9809, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bei Sensors & Systems Company, Inc. Dba Bei Duncan. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5905-00-779-9809 |
| Primary Part Number | 1700-712 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bei Sensors & Systems Company, Inc. Dba Bei Duncan |
| Status | ACTIVE |
| Body Diameter | 2.000 INCHES MAXIMUM IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 ALL SECTIONS |
| Section Quantity | 7 |
| Mounting Facility Quantity | 3 |
| Shaft Diameter | 0.2494 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Function Characteristic Per Section | ALL SECTIONS LINEAR |
| Body Style | CYLINDRICAL HOLE/SLOT MOUNTED |
| Function Conformity Tolerance Per Section | -0.50 TO 0.50 ALL SECTIONS |
| Angle Between Centerlines of Mounting Holes in Deg | 120.0 |
| Mounting Method | THREADED HOLE(S) |
| Fixed Tap Quantity Per Section | 4 1ST SECTION AND 1 2ND SECTION AND 4 3RD SECTION AND 4 4TH SECTION AND 3 5TH SECTION AND 3 6TH SECTION |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -70.0 TO 70.0 ALL SECTIONS |
| Terminal Location | RADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND |
| Actuator Type | DOUBLE ENDED SHAFT |
| Shaft Length | 1.300 INCHES NOMINAL IN |
| Body Length | 4.200 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 5.0 FREE AIR ALL SECTIONS |
| Screw Thread Diameter | 0.164 INCHES NOMINAL IN |
| Bearing Type | BEARING SHAFT |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Resistance Tolerance Per Section in Percent | -3.0 TO 3.0 ALL SECTIONS |
| Terminal Type and Quantity | 40 TURRET |
| Function Conformity Per Section | ALL SECTIONS INDEPENDENT LINEARITY |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 60.0 ALL SECTIONS |
| 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 |
|---|---|
| 300-668 | Vishay Sprague Inc (USA) |
| 1700-712 PRIMARY | Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA) |
| 55-85-053 | Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments (USA) |
| 9360207 PRIMARY | Safetran Systems Co Sub of Cci Corp (USA) |
| Reference | Meaning |
|---|---|
| 300-668 | 5/9 Secondary reference IV-Electronic Klaus Vespermann Kg |
| 9360207 | 5/9 Secondary reference Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co |
NSN 5905-00-779-9809 is a Resistor,variable,wire Wound,pre, manufactured by Bei Sensors & Systems Company, Inc. Dba Bei Duncan, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-779-9809 has 4 manufacturer part numbers on file: 300-668 (Vishay Sprague Inc), 1700-712 (Bei Sensors & Systems Company, Inc. Dba Bei Duncan), 55-85-053 (Samarius Precision Instruments, Inc. Dba Samarius Precision Instruments), 9360207 (Safetran Systems Co Sub of Cci Corp).
Key specifications for 1700-712: Body Diameter: 2.000 INCHES MAXIMUM IN; Screw Thread Quantity Per Inch: 32.0; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 125.0 ALL SECTIONS; Section Quantity: 7. 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.