The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-100-3980, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-100-3980 |
| Primary Part Number | 5401R50L1/R100L5 |
| 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 | 0.80 INCH-OUNCES IN |
| Body Diameter | 1.270 INCHES NOMINAL IN |
| Electrical Resistance Per Section | 50.000 OHMS 1ST SECTION AND 100.000 OHMS 2ND SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 85.0 ALL SECTIONS |
| Section Quantity | 2 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.2497 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Shaft End Play | 0.00500 INCHES IN |
| Mounting Method | CLAMP |
| Maximum Starting Torque | 1.60 INCH-OUNCES IN |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.500 INCHES NOMINAL IN |
| Body Length | 2.000 INCHES MAXIMUM IN |
| Shaft Runout | 0.001 INCHES IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Resistance Tolerance Per Section in Percent | -1.0 TO 1.0 1ST SECTION AND -1.0 TO 1.0 2ND SECTION |
| Terminal Type and Quantity | 3 TURRET |
| Mounting Bushing Length | 0.375 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 65.0 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 |
|---|---|
| 5401R50L1/R100L5 PRIMARY | Bi Technologies Corporation Div Bi Technologies Corp. (USA) |
| Reference | Meaning |
|---|---|
| 2132903-2 | 7/2 Vendor item drawing reference Honeywell Intl Inc Defense Avionics Systems |
NSN 5905-01-100-3980 is a Resistor,variable,wire Wound,pre, manufactured by Bi Technologies Corporation Div Bi Technologies Corp., classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-100-3980 has 1 manufacturer part number on file: 5401R50L1/R100L5 (Bi Technologies Corporation Div Bi Technologies Corp.).
Key specifications for 5401R50L1/R100L5: Maximum Running Torque: 0.80 INCH-OUNCES IN; Body Diameter: 1.270 INCHES NOMINAL IN; Electrical Resistance Per Section: 50.000 OHMS 1ST SECTION AND 100.000 OHMS 2ND SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 85.0 ALL SECTIONS. 21 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.