The Resistor,variable,wire Wound,non, cataloged under National Stock Number 5905-00-055-3085, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Leonardo Mw Ltd. Government technical data includes 26 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-00-055-3085 |
| Primary Part Number | WIS7484B1-7 |
| Item Name | Resistor,variable,wire Wound,non |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Leonardo Mw Ltd |
| Status | ACTIVE |
| Body Diameter | 0.912 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 350.0 OHMS SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.248 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Tap Location From Ccw Terminal Per Section in Ohms | 175.0 SINGLE SECTION |
| Mounting Method | STANDARD BUSHING |
| Fixed Tap Quantity Per Section | 1 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER MORE THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | PANEL SEAL |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.812 INCHES NOMINAL IN |
| Body Length | 0.603 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 265.0 NOMINAL |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 285.0 NOMINAL |
| Mounting Bushing Length | 0.375 INCHES NOMINAL IN |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 70.0 SINGLE SECTION |
| 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 |
|---|---|
| WIS7484B1-7 | Leonardo Mw Ltd (GBR) |
| CLR1288-12S | Ab Electronic Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 624-716 | 5/9 Secondary reference U.S. Government activity |
| PC68234-1 | 3/9 Design control — primary reference Viavi Solutionsllc |
| PC68234-1 | 5/9 Secondary reference Marconi Electronics Inc Marconi Instruments Div |
| WIS7484B1-7 | 5/9 Secondary reference G E C Marconi Communications Ltd |
NSN 5905-00-055-3085 is a Resistor,variable,wire Wound,non, manufactured by Leonardo Mw Ltd, classified under FSC 5905, Resistor. Status: active.
NSN 5905-00-055-3085 has 2 manufacturer part numbers on file: WIS7484B1-7 (Leonardo Mw Ltd), CLR1288-12S (Ab Electronic Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5306-00-402-8852. Verify interchangeability with system specifications before substitution.
Key specifications for WIS7484B1-7: Body Diameter: 0.912 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 350.0 OHMS SINGLE SECTION; Section Quantity: 1. 26 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.