The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-433-9902, 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 30 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-00-433-9902 |
| Primary Part Number | 58SR50K |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bi Technologies Corporation Div Bi Technologies Corp. |
| Status | ACTIVE |
| Maximum Running Torque | 5.00 INCH-OUNCES IN |
| Electrical Resistance Per Section | 50.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 175.0 SINGLE SECTION |
| Section Quantity | 1 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.110 INCHES NOMINAL IN |
| Shaft Bearing Type | BEARING |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | RECTANGULAR W/MOUNTING HOLES/SLOTS |
| Mounting Method | UNTHREADED HOLE(S) |
| Body Width | 0.195 INCHES NOMINAL IN |
| Body Height | 0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN |
| Maximum Starting Torque | 5.00 INCH-OUNCES IN |
| Mounting Hole Diameter | 0.093 INCHES NOMINAL IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -100.0 TO 100.0 SINGLE SECTION |
| Terminal Location | LOWER ADJACENT SIDE TWO ROWS |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Lateral Distance Between Mounting Hole Centers | 1.000 INCHES NOMINAL IN |
| Shaft Length | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Body Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 6120.0 MINIMUM AND 9720.0 MAXIMUM |
| Reliability Indicator | NOT ESTABLISHED |
| Cubic Measure | 0.078 CUBIC INCHES |
| Actuator Travel Control Feature | CLUTCH |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 6120.0 MINIMUM AND 9720.0 MAXIMUM |
| 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 |
|---|---|
| 58SR50K PRIMARY | Bi Technologies Corporation Div Bi Technologies Corp. (USA) |
| Reference | Meaning |
|---|---|
| M39015/2-008PP | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 58SR50K | C/1 Advisory reference — outside the item-of-supply concept Agler Sales Co Inc the Dba Tasco |
NSN 5905-00-433-9902 is a Resistor,variable,nonwire Wound,, manufactured by Bi Technologies Corporation Div Bi Technologies Corp., classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-433-9902 has 1 manufacturer part number on file: 58SR50K (Bi Technologies Corporation Div Bi Technologies Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5905-00-497-0785. Verify interchangeability with system specifications before substitution.
Key specifications for 58SR50K: Maximum Running Torque: 5.00 INCH-OUNCES IN; Electrical Resistance Per Section: 50.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 175.0 SINGLE SECTION; Section Quantity: 1. 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.