The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-025-5933, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Servo Instrument Corporation. Government technical data includes 30 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-00-025-5933 |
| Primary Part Number | 752-6436 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Servo Instrument Corporation |
| Status | ACTIVE |
| Maximum Running Torque | 8.00 INCH-OUNCES IN |
| Body Diameter | 1.062 INCHES MAXIMUM IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Lateral Runout | 0.002 INCHES IN |
| Electrical Resistance Per Section | 100.0 OHMS 1ST SECTION AND 100.0 OHMS 2ND SECTION AND 1.0 KILOHMS 3RD SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 150.0 ALL SECTIONS |
| Section Quantity | 3 |
| Shaft Diameter | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Function Characteristic Per Section | ALL SECTIONS LINEAR |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Function Conformity Tolerance Per Section | -0.50 TO 0.50 1ST SECTION AND -0.50 TO 0.50 2ND SECTION AND -1.00 TO 1.00 3RD SECTION |
| Shaft End Play | 0.005 INCHES IN |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 8.00 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -900.0 TO 900.0 ALL SECTIONS |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 1.000 INCHES NOMINAL IN |
| Body Length | 2.000 INCHES MAXIMUM IN |
| Shaft Runout | 0.002 INCHES IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR ALL SECTIONS |
| Effective Electrical Rotation in Deg Angular Rotation | 350.0 NOMINAL |
| Screw Thread Diameter | 0.469 INCHES NOMINAL IN |
| Bearing Type | SLEEVE SHAFT |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNS |
| Actuator Travel Control Feature | STOPS |
| Test Data Document | 80249-730645 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Resistance Tolerance Per Section in Percent | -5.0 TO 5.0 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 |
|---|---|
| 752-6436 | Servo Instrument Corporation (USA) |
| 11BW2186 | Es Beta, Inc Dba Betatronix Div Betatronix (USA) |
| Reference | Meaning |
|---|---|
| 730645 | 3/2 Design control — primary reference U.S. Government activity |
| 752-6436 | C/1 Advisory reference — outside the item-of-supply concept Fairchild Controls Div Fairchild Camera and Instrument Corp |
| 11BF2186 | 5/9 Secondary reference Es Beta, Inc Dba Betatronix Div Betatronix |
| S6608 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-00-025-5933 is a Resistor,variable,wire Wound,pre, manufactured by Servo Instrument Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-025-5933 has 2 manufacturer part numbers on file: 752-6436 (Servo Instrument Corporation), 11BW2186 (Es Beta, Inc Dba Betatronix Div Betatronix).
1 possible match (shared part number, not a government interchangeability claim): 1650-01-111-6843. Verify interchangeability with system specifications before substitution.
Key specifications for 752-6436: Maximum Running Torque: 8.00 INCH-OUNCES IN; Body Diameter: 1.062 INCHES MAXIMUM IN; Screw Thread Quantity Per Inch: 32.0; Lateral Runout: 0.002 INCHES IN. 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.