The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-191-3940, 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 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-191-3940 |
| Primary Part Number | GR816GB2K38W1P |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Maximum Running Torque | 8.00 INCH-OUNCES IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Undercut Length | 0.500 INCHES NOMINAL IN |
| Electrical Resistance Per Section | 2.500 KILOHMS 1ST SECTION AND 250.000 OHMS 2ND SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 150.0 ALL SECTIONS |
| Section Quantity | 2 |
| Shaft Diameter | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Undercut Diameter | 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN |
| Nonturn Device Radius | 0.312 INCHES NOMINAL IN |
| Body Style | RECTANGULAR BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING |
| Body Width | 0.625 INCHES NOMINAL IN |
| Body Height | 0.625 INCHES NOMINAL IN |
| Maximum Starting Torque | 8.00 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -150.0 TO 150.0 ALL SECTIONS |
| Terminal Location | LOWER ADJACENT SIDE TWO ROWS |
| Shaft Style | ROUND, STEPPED |
| Actuator Type | DUAL CONCENTRIC |
| Shaft Length | 1.500 INCHES NOMINAL IN |
| Body Length | 0.922 INCHES MINIMUM AND 1.094 INCHES MAXIMUM IN |
| Maximum Stop Torque | 64.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 1.0 FREE AIR ALL SECTIONS |
| Effective Electrical Rotation in Deg Angular Rotation | 260.0 NOMINAL |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Actuator Travel Control Feature | STOPS |
| Test Data Document | 26512-GR816GB DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 ALL SECTIONS |
| 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 |
|---|---|
| GR816GB2K38W1P PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 82A2A-G40-BA0/060 | Bourns, Inc. Dba Bourns Sensor Controls (USA) |
| Reference | Meaning |
|---|---|
| 82A2A-G40-BA0060 | 5/9 Secondary reference Bourns Inc |
| 13M252 | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
NSN 5905-01-191-3940 is a Resistor,variable,nonwire Wound,, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-191-3940 has 2 manufacturer part numbers on file: GR816GB2K38W1P (Northrop Grumman Systems Corporation), 82A2A-G40-BA0/060 (Bourns, Inc. Dba Bourns Sensor Controls).
Key specifications for GR816GB2K38W1P: Maximum Running Torque: 8.00 INCH-OUNCES IN; Screw Thread Quantity Per Inch: 32.0; Undercut Length: 0.500 INCHES NOMINAL IN; Electrical Resistance Per Section: 2.500 KILOHMS 1ST SECTION AND 250.000 OHMS 2ND SECTION. 29 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.