The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-030-1739, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Emcore Corporation Div Concord Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-030-1739 |
| Primary Part Number | R2546 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Emcore Corporation Div Concord Division |
| Status | ACTIVE |
| Electrical Resistance Per Section | 1.0 MEGOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 105.0 SINGLE SECTION |
| Section Quantity | 1 |
| Mounting Facility Quantity | 2 |
| Shaft Diameter | 0.100 INCHES NOMINAL IN |
| Body Style | RECTANGULAR W/MOUNTING HOLES/SLOTS |
| Terminal Length | 0.205 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Body Width | 0.280 INCHES NOMINAL IN |
| Body Height | 0.310 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.088 INCHES MINIMUM IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -250.0 TO 250.0 SINGLE SECTION |
| Terminal Location | LOWER ADJACENT SIDE TWO ROWS |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.200 INCHES NOMINAL IN |
| Features Provided | NONMETALLIC SHAFT |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Lateral Distance Between Mounting Hole Centers | 0.830 INCHES NOMINAL IN |
| Center to Center Distance Between Terminal Rows | 0.200 INCHES NOMINAL IN |
| Shaft Length | 0.060 INCHES NOMINAL IN |
| Body Length | 1.000 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.500 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.75 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 5400.0 NOMINAL |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | CLUTCH |
| Resistance Tolerance Per Section in Percent | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 PIN |
| Rotary Actuator Travel in Angular Deg | 5400.0 NOMINAL |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 25.0 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 |
|---|---|
| R2546 PRIMARY | Emcore Corporation Div Concord Division (USA) |
| Reference | Meaning |
|---|---|
| 8317-1MEGOHM | 5/2 Secondary reference U.S. Government activity |
NSN 5905-01-030-1739 is a Resistor,variable,nonwire Wound,, manufactured by Emcore Corporation Div Concord Division, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-030-1739 has 1 manufacturer part number on file: R2546 (Emcore Corporation Div Concord Division).
Key specifications for R2546: Electrical Resistance Per Section: 1.0 MEGOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 105.0 SINGLE SECTION; Section Quantity: 1; Mounting Facility Quantity: 2. 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.