The Capacitor,variable,ceramic Diele, cataloged under National Stock Number 5910-00-686-1478, is classified within Federal Supply Class 5910 (Capacitors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Tusonix, Llc. Government technical data includes 20 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5910-00-686-1478 |
| Primary Part Number | 503-000A-4.5-25 |
| Item Name | Capacitor,variable,ceramic Diele |
| FSC / FSG | 5910 / 59 — Capacitors |
| Manufacturer | Tusonix, Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Nonderated Voltage Rating and Type | 500.0 DC CONTINUOUS SINGLE SECTION |
| Inclosure Type | ENCAPSULATED |
| Temp Coefficient of Capacitance in Ppm Per Deg Celsius | 0.0 SINGLE SECTION |
| Capacitance Drift in Picofarads | 0.50 SINGLE SECTION |
| Body Style | ROTARY |
| Insulation DC Resistance at 25 Deg Celsius | 10000.0 MEGOHMS |
| Adjustment Device Rotation | 360.0 DEGREES NOMINAL CLOCKWISE |
| Nonderated Operating Temp | -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC |
| Capacitance Range in Picofarads | +4.5 TO 25.0 SINGLE SECTION |
| Body Width | 0.656 INCHES NOMINAL IN |
| Body Height | 0.375 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.120 INCHES NOMINAL IN |
| Body Length | 0.844 INCHES NOMINAL IN |
| Dissipation Factor at 25 Deg Celsius in Percent | 0.2 |
| Adjustment Device Torque | 4.000 INCH-OUNCES MINIMUM AND 24.000 INCH-OUNCES MAXIMUM IN |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.445 INCHES NOMINAL IN |
| Adjustment Device Drive Type and Quantity | 1 SLOTTED SCREW |
| Material | CERAMIC BASE |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| 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 |
|---|---|
| 503-000A-4.5-25 PRIMARY | Tusonix, Llc (USA) |
| Reference | Meaning |
|---|---|
| 503NP04-5T025UUF | 5/9 Secondary reference Tusonix, Llc |
| 503NP04-5T025UUF | 5/9 Secondary reference Erie Specialty Products Inc |
| 503-000A4-5-25 | 5/9 Secondary reference Erie Specialty Products Inc |
| 503NP04R5-25MMF | 5/9 Secondary reference Tusonix, Llc |
| 503NP04R5-25MMF | 5/9 Secondary reference Erie Specialty Products Inc |
| 503-000A4-5-25 | 5/9 Secondary reference Tusonix, Llc |
NSN 5910-00-686-1478 is a Capacitor,variable,ceramic Diele, manufactured by Tusonix, Llc, classified under FSC 5910, Capacitors. Status: active.
NSN 5910-00-686-1478 has 1 manufacturer part number on file: 503-000A-4.5-25 (Tusonix, Llc).
Key specifications for 503-000A-4.5-25: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Nonderated Voltage Rating and Type: 500.0 DC CONTINUOUS SINGLE SECTION; Inclosure Type: ENCAPSULATED; Temp Coefficient of Capacitance in Ppm Per Deg Celsius: 0.0 SINGLE SECTION. 20 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.