The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-643-9954, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bi Technologies Corporation Div Bi Technologies Corp.. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-643-9954 |
| Primary Part Number | 9303-402-0 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bi Technologies Corporation Div Bi Technologies Corp. |
| Status | ACTIVE |
| Maximum Running Torque | 1.00 INCH-OUNCES IN |
| Body Diameter | 1.750 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 10.000 KILOHMS SINGLE SECTION |
| Section Quantity | 1 |
| Mounting Facility Quantity | 3 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL STUDS MOUNTED |
| Function Conformity Tolerance Per Section | -0.50 TO 0.50 SINGLE SECTION |
| Overall Diameter | 1.820 INCHES NOMINAL IN |
| Mounting Hole/stud Circle Diameter | 1.203 INCHES NOMINAL IN |
| Mounting Method | THREADED HOLE(S) |
| Maximum Starting Torque | 1.50 INCH-OUNCES IN |
| Terminal Location | LOWER ADJACENT SIDE SINGLE ROW LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.500 INCHES NOMINAL IN |
| Body Length | 1.250 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 5.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 1080.0 NOMINAL |
| Screw Thread Diameter | 0.164 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 1080.0 NOMINAL |
| Function Conformity Per Section | SINGLE SECTION INDEPENDENT LINEARITY |
| 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 |
|---|---|
| 9303-402-0 | Bi Technologies Corporation Div Bi Technologies Corp. (USA) |
| 850-0210 | IV-Electronic Klaus Vespermann Kg (DEU) |
| 850-0210 | Vishay Sprague Inc (USA) |
| Reference | Meaning |
|---|---|
| 885328 | 3/9 Design control — primary reference L3 Aviation Products, Inc. Dba L3 Technologies |
NSN 5905-00-643-9954 is a Resistor,variable,wire Wound,pre, manufactured by Bi Technologies Corporation Div Bi Technologies Corp., classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-643-9954 has 3 manufacturer part numbers on file: 9303-402-0 (Bi Technologies Corporation Div Bi Technologies Corp.), 850-0210 (IV-Electronic Klaus Vespermann Kg), 850-0210 (Vishay Sprague Inc).
1 possible match (shared part number, not a government interchangeability claim): 7910-01-551-2151. Verify interchangeability with system specifications before substitution.
Key specifications for 9303-402-0: Maximum Running Torque: 1.00 INCH-OUNCES IN; Body Diameter: 1.750 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 10.000 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.