The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-00-901-9278, is classified within Federal Supply Class 5910 (Capacitors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Viking Technologies, Ltd.. Government technical data includes 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5910-00-901-9278 |
| Primary Part Number | 189-6-54 |
| Item Name | Capacitor,variable,air Dielectri |
| FSC / FSG | 5910 / 59 — Capacitors |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Plate Air Gap | 0.010 INCHES IN |
| Bushing Shape | ROUND |
| Bushing Length | 0.313 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 LOCKING BUSHING |
| Nonderated Voltage Rating and Type | 650.0 AC DIELECTRIC WITHSTANDING SINGLE SECTION |
| Inclosure Type | ENCASED |
| Temp Coefficient of Capacitance in Ppm Per Deg Celsius | 45.0 SINGLE SECTION |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | PLATE-MESHING |
| Insulation DC Resistance at 25 Deg Celsius | 50000.0 MEGOHMS |
| Nonderated Operating Temp | -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC |
| Precious Material | SILVER |
| Terminal Length | 0.324 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN |
| Capacitance Range in Picofarads | +1.8 TO 13.0 SINGLE SECTION |
| Tolerance of Temp Coefficient in Ppm Per Deg Celsius | -15.0 TO 15.0 SINGLE SECTION |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Tuning Characteristic | STRAIGHT LINE CAPACITY SINGLE SECTION |
| Nominal Thread Size | 0.190 INCHES IN |
| Body Length | 0.750 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN |
| Bushing Diameter | 0.190 INCHES NOMINAL IN |
| Adjustment Device Torque | 2.500 INCH-OUNCES MINIMUM AND 10.000 INCH-OUNCES MAXIMUM IN |
| Adjustment Device Drive Type and Quantity | 2 SLOTTED SCREW |
| Precious Material and Location | METAL SURFACES SILVER |
| Thread Class | 2A A |
| Material | CERAMIC BASE |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Quality Factor at 25 Deg Celsius | 2000.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 189-6-54 PRIMARY | Viking Technologies, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| 922-1013-060 | 7/2 Vendor item drawing reference U.S. Government activity |
| 189-0006-054 | 5/9 Secondary reference Viking Technologies, Ltd. |
NSN 5910-00-901-9278 is a Capacitor,variable,air Dielectri, manufactured by Viking Technologies, Ltd., classified under FSC 5910, Capacitors. Status: active.
NSN 5910-00-901-9278 has 1 manufacturer part number on file: 189-6-54 (Viking Technologies, Ltd.).
Key specifications for 189-6-54: Plate Air Gap: 0.010 INCHES IN; Bushing Shape: ROUND; Bushing Length: 0.313 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 LOCKING BUSHING. 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.