The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-207-6970, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bourns Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-207-6970 |
| Primary Part Number | 86A4E-G39-BA0508 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Bourns Inc |
| Status | ACTIVE |
| Body Diameter | 0.625 INCHES NOMINAL IN |
| Operating Position | START OF ROTATION |
| Screw Thread Quantity Per Inch | 32.0 |
| Undercut Length | 0.281 INCHES NOMINAL IN |
| Electrical Resistance Per Section | 1000.000 OHMS SINGLE SECTION |
| Switch Voltage Rating in Volts | 117.0 |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 120.0 SINGLE SECTION |
| Section Quantity | 3 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Undercut Diameter | 0.125 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING |
| Terminal Location | LOWER ADJACENT SIDE TWO ROWS |
| Features Provided | SHAFT SEAL AND SWITCH |
| Shaft Style | ROUND, STEPPED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 1.219 INCHES NOMINAL IN |
| Body Length | 1.990 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR 1ST SECTION AND 1.8 FREE AIR 2ND SECTION AND 1.8 FREE AIR 3RD SECTION |
| Switch Type | ROTARY |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Resistance Tolerance Per Section in Percent | -10.0 TO 10.0 SINGLE SECTION |
| Switch Contact Arrangement | SINGLE POLE, SINGLE THROW, NORMALLY OPEN, BOTH POSITIONS MAINTAINED |
| Terminal Type and Quantity | 3 WIRE LOOP |
| Mounting Bushing Length | 0.250 INCHES NOMINAL IN |
| Switch Current Type and Rating in Amps | 2.000 AC |
| 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 |
|---|---|
| 380-10008 | X Technologies, Inc. (USA) |
| 86A4E-G39-BA0508 PRIMARY | Bourns Inc (USA) |
| Reference | Meaning |
|---|---|
| CM43662 | 5/9 Secondary reference Clarostat Sensors and Controls |
| 380-10008-501 | 1/2 Source control — Government-approved source U.S. Government activity |
| 86A4E-G39-BA0508 | 5/9 Secondary reference Bourns Inc Precisions/controls Div |
NSN 5905-01-207-6970 is a Resistor,variable,nonwire Wound,, manufactured by Bourns Inc, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-207-6970 has 2 manufacturer part numbers on file: 380-10008 (X Technologies, Inc.), 86A4E-G39-BA0508 (Bourns Inc).
Key specifications for 86A4E-G39-BA0508: Body Diameter: 0.625 INCHES NOMINAL IN; Operating Position: START OF ROTATION; Screw Thread Quantity Per Inch: 32.0; Undercut Length: 0.281 INCHES NOMINAL IN. 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.