The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-332-9924, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Vishay Sprague Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-332-9924 |
| Primary Part Number | 139-43 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Vishay Sprague Inc |
| Status | ACTIVE |
| Maximum Running Torque | 4.00 INCH-OUNCES IN |
| Nonturn Device Location | AT 6 OCLOCK |
| Body Diameter | 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Lateral Runout | 0.005 INCHES IN |
| Electrical Resistance Per Section | 250.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 71.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Nonturn Device Radius | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Function Conformity Tolerance Per Section | -0.25 TO 0.25 SINGLE SECTION |
| Shaft End Play | 0.008 INCHES IN |
| Precious Material | GOLD |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 4.50 INCH-OUNCES IN |
| Terminal Location | REAR END LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN |
| Body Length | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Maximum Stop Torque | 128.00 INCH-OUNCES IN |
| Shaft Runout | 0.002 INCHES IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 335.0 MINIMUM AND 345.0 MAXIMUM |
| Pilot Diameter Runout | 0.003 INCHES IN |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 139-43 | Vishay Sprague Inc (USA) |
| Reference | Meaning |
|---|---|
| 841497-1 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5905-01-332-9924 is a Resistor,variable,nonwire Wound,, manufactured by Vishay Sprague Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-332-9924 has 1 manufacturer part number on file: 139-43 (Vishay Sprague Inc).
3 possible matches (shared part number, not a government interchangeability claim): 6240-01-344-4795, 5305-01-595-7505, 5331-01-649-5640. Verify interchangeability with system specifications before substitution.
Key specifications for 139-43: Maximum Running Torque: 4.00 INCH-OUNCES IN; Nonturn Device Location: AT 6 OCLOCK; Body Diameter: 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM IN; Screw Thread Quantity Per Inch: 32.0. 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.