The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-040-0397, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Precision Electronics Corporation. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-040-0397 |
| Primary Part Number | N1222 |
| Item Name | Resistor,variable,nonwire Wound, |
| FSC / FSG | 5905 / 59 — Resistor |
| Manufacturer | Precision Electronics Corporation |
| Status | ACTIVE |
| Body Diameter | 0.906 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 250.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 120.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY DELICATE |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Overall Diameter | 1.266 INCHES NOMINAL IN |
| Tap Location From Ccw Terminal Per Section in Ohms | 125000.0 SINGLE SECTION |
| Mounting Method | STANDARD BUSHING |
| Fixed Tap Quantity Per Section | 1 SINGLE SECTION |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.875 INCHES NOMINAL IN |
| Body Length | 0.453 INCHES NOMINAL IN |
| Tap Location Tolerance Per Section | -20.0 TO 20.0 DEG ANGULAR ROTATION SINGLE SECTION |
| Power Dissipation Rating Per Section in Watts | 0.5 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 251.0 MINIMUM AND 318.0 MAXIMUM |
| Screw Thread Diameter | 0.375 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Cubic Measure | 1.681 CUBIC INCHES |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -20.0 TO 20.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Rotary Actuator Travel in Angular Deg | 251.0 MINIMUM AND 318.0 MAXIMUM |
| Mounting Bushing Length | 0.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| N1222 | Precision Electronics Corporation (CAN) |
| Reference | Meaning |
|---|---|
| 570859 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5905-01-040-0397 is a Resistor,variable,nonwire Wound,, manufactured by Precision Electronics Corporation, classified under FSC 5905, Resistor. Status: active.
NSN 5905-01-040-0397 has 1 manufacturer part number on file: N1222 (Precision Electronics Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-139-8314. Verify interchangeability with system specifications before substitution.
Key specifications for N1222: Body Diameter: 0.906 INCHES NOMINAL IN; Screw Thread Quantity Per Inch: 32.0; Electrical Resistance Per Section: 250.0 KILOHMS SINGLE SECTION; Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power: 120.0 SINGLE 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.