The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-177-3689, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 27 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-177-3689 |
| Primary Part Number | E4A503 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | ACTIVE |
| Maximum Running Torque | 4.00 INCH-OUNCES IN |
| Electrical Resistance Per Section | 50.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 125.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Bearing Type | SLEEVE |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | RECTANGULAR |
| Terminal Length | 0.200 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Body Width | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Body Height | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Maximum Starting Torque | 4.00 INCH-OUNCES IN |
| Terminal Location | LOWER ADJACENT SIDE TWO ROWS |
| Center to Center Distance Between Center Terminal and Outside Terminal | 0.100 INCHES NOMINAL IN |
| Actuator Type | FLUSH DRIVE WITH SLOT-HOLE |
| Center to Center Distance Between Terminal Rows | 0.100 INCHES NOMINAL IN |
| Body Length | 0.190 INCHES NOMINAL IN |
| Maximum Stop Torque | 15.00 INCH-OUNCES IN |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 0.5 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 280.0 NOMINAL |
| Reliability Indicator | NOT ESTABLISHED |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 PIN |
| Rotary Actuator Travel in Angular Deg | 280.0 NOMINAL |
| 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 |
|---|---|
| E4A503 PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
NSN 5905-01-177-3689 is a Resistor,variable,nonwire Wound,, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-177-3689 has 1 manufacturer part number on file: E4A503 (Rockwell Automation, Inc. Dba Rockwell Automation).
Key specifications for E4A503: Maximum Running Torque: 4.00 INCH-OUNCES IN; Electrical Resistance Per Section: 50.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 125.0 SINGLE SECTION; Section Quantity: 1. 27 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.