The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-412-2512, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5905-01-412-2512 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Body Diameter | 1.6250 INCHES MAXIMUM IN |
| Electrical Resistance Per Section | 5.0 KILOHMS SINGLE SECTION |
| Mounting Lip Depth | 0.0930 INCHES NOMINAL IN |
| Undercut Width | 0.0730 INCHES MINIMUM IN |
| Section Quantity | 1 |
| Shaft Diameter | 0.2500 INCHES MAXIMUM IN |
| Undercut Diameter | 1.4680 INCHES MAXIMUM IN |
| Body Style | CYLINDRICAL SERVO MOUNTED |
| Mounting Method | CLAMP RING(S) |
| Terminal Location | RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Lip Diameter | 1.4370 INCHES NOMINAL IN |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.7500 INCHES NOMINAL IN |
| Specification/standard Data | 81349-MIL-R-12934/19 GOVERNMENT SPECIFICATION |
| Pilot Diameter | 1.3125 INCHES MAXIMUM IN |
| Body Length | 1.0620 INCHES MAXIMUM IN |
| Pilot Length | 0.0620 INCHES NOMINAL IN |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Reliability Indicator | NOT ESTABLISHED |
| Resistance Tolerance Per Section in Percent | -3.0 TO 3.0 SINGLE SECTION |
| Terminal Type and Quantity | 3 TURRET |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-R-12934/19 | 5/9 Secondary reference U.S. Government activity |
| RR1300D2B71502 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-12934/19 | 4/1 Identification reference U.S. Government activity |
| RR1300D2B7I502 | 2/2 Government specification standardization U.S. Government activity |
NSN 5905-01-412-2512 is a Resistor,variable,wire Wound,pre, classified under FSC 5905, Resistor. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5905-01-437-6520. Verify interchangeability with system specifications before substitution.
Key specifications for 5905-01-412-2512: Body Diameter: 1.6250 INCHES MAXIMUM IN; Electrical Resistance Per Section: 5.0 KILOHMS SINGLE SECTION; Mounting Lip Depth: 0.0930 INCHES NOMINAL IN; Undercut Width: 0.0730 INCHES MINIMUM IN. 22 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.