The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-00-666-8890, is classified within Federal Supply Class 5910 (Capacitors) of the Electrical and Electronic Equipment Components group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5910-00-666-8890 |
| Item Name | Capacitor,variable,air Dielectri |
| FSC / FSG | 5910 / 59 — Capacitors |
| Status | ACTIVE |
| Plate Air Gap | 0.017 INCHES IN |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Bushing Shape | ROUND |
| Bushing Length | 0.500 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Nonderated Voltage Rating and Type | 1250.0 AC PEAK SINGLE SECTION |
| Shaft Diameter | 0.188 INCHES NOMINAL SINGLE SHAFT IN |
| Inclosure Type | UNINCLOSED |
| Temp Coefficient of Capacitance in Ppm Per Deg Celsius | 0.0 SINGLE SECTION |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | PLATE-MESHING |
| Insulation DC Resistance at 25 Deg Celsius | 10000.0 MEGOHMS |
| Nonderated Operating Temp | -55.0 CELSIUS MINIMUM AND 175.0 CELSIUS MAXIMUM DEGC |
| Capacitance Range in Picofarads | +1.8 TO 5.1 SINGLE SECTION |
| Tolerance of Temp Coefficient in Ppm Per Deg Celsius | -50.0 TO 50.0 SINGLE SECTION |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Tuning Characteristic | STRAIGHT LINE CAPACITY SINGLE SECTION |
| Nominal Thread Size | 0.250 INCHES IN |
| Shaft Length | 0.500 INCHES NOMINAL SINGLE SHAFT IN |
| Body Length | 0.782 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN |
| Bushing Diameter | 0.250 INCHES NOMINAL IN |
| Adjustment Device Torque | 1.000 INCH-OUNCES MINIMUM AND 10.000 INCH-OUNCES MAXIMUM IN |
| Adjustment Device Drive Type and Quantity | 1 SHAFT |
| Plate Quantity | 10 |
| Thread Class | 2A A |
| Material | BRASS CAPACITIVE ELECTRODE |
| Material | STEATITE ENCLOSURE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SC-B-72965 | 5/9 Secondary reference Viking Technologies, Ltd. |
| SC-B-72965 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5910-00-666-8890 is a Capacitor,variable,air Dielectri, classified under FSC 5910, Capacitors. Status: active.
Key specifications for 5910-00-666-8890: Plate Air Gap: 0.017 INCHES IN; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Bushing Shape: ROUND; Bushing Length: 0.500 INCHES NOMINAL IN. 27 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.