The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-063-7938, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5905-01-063-7938 |
| Primary Part Number | GR816FS103KB |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Operating Position | START OF ROTATION |
| Screw Thread Quantity Per Inch | 32.0 |
| Undercut Length | 0.875 INCHES NOMINAL IN |
| Electrical Resistance Per Section | 10.0 KILOHMS ALL SECTIONS |
| Switch Voltage Rating in Volts | 125.0 |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 120.0 ALL SECTIONS |
| Section Quantity | 2 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Undercut Diameter | 0.126 INCHES NOMINAL IN |
| Nonturn Device Radius | 0.362 INCHES NOMINAL IN |
| Body Style | RECTANGULAR W/BUSHING |
| Mounting Method | STANDARD BUSHING |
| Body Width | 0.625 INCHES NOMINAL IN |
| Body Height | 0.625 INCHES NOMINAL IN |
| Terminal Location | LOWER ADJACENT SIDE TWO ROWS |
| Features Provided | SWITCH |
| Shaft Style | ROUND, STEPPED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 1.250 INCHES NOMINAL IN |
| Body Length | 1.469 INCHES MAXIMUM IN |
| Power Dissipation Rating Per Section in Watts | 0.5 FREE AIR ALL SECTIONS |
| Switch Type | ROTARY |
| Effective Electrical Rotation in Deg Angular Rotation | 300.0 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 ALL SECTIONS |
| Switch Contact Arrangement | SINGLE POLE, SINGLE THROW, NORMALLY OPEN, BOTH POSITIONS MAINTAINED |
| Terminal Type and Quantity | 10 TAB, SOLDER LUG |
| 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 |
|---|---|
| GR816FS103KB PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 13M603 | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
NSN 5905-01-063-7938 is a Resistor,variable,nonwire Wound,, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-063-7938 has 1 manufacturer part number on file: GR816FS103KB (Northrop Grumman Systems Corporation).
Key specifications for GR816FS103KB: Operating Position: START OF ROTATION; Screw Thread Quantity Per Inch: 32.0; Undercut Length: 0.875 INCHES NOMINAL IN; Electrical Resistance Per Section: 10.0 KILOHMS ALL SECTIONS. 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.