The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-01-249-9517, is classified within Federal Supply Class 5910 (Capacitors) of the Electrical and Electronic Equipment Components group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5910-01-249-9517 |
| Item Name | Capacitor,variable,air Dielectri |
| FSC / FSG | 5910 / 59 — Capacitors |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 TERMINAL |
| Nonderated Voltage Rating and Type | 250.0 DC CONTINUOUS SINGLE SECTION |
| Inclosure Type | ENCASED |
| Body Style | PISTON |
| Insulation DC Resistance at 25 Deg Celsius | 1000000.0 MEGOHMS |
| Nonderated Operating Temp | -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC |
| Overall Diameter | 0.145 INCHES NOMINAL IN |
| Capacitance Range in Picofarads | +0.6 TO 3.5 SINGLE SECTION |
| Tuning Characteristic | STRAIGHT LINE CAPACITY SINGLE SECTION |
| Body Length | 0.281 INCHES NOMINAL IN |
| Adjustment Device Torque | 0.300 INCH-OUNCES MINIMUM AND 5.000 INCH-OUNCES MAXIMUM IN |
| Adjustment Device Drive Type and Quantity | 1 SLOTTED SCREW |
| Terminal Type and Quantity | 2 PRINTED CIRCUIT |
| Quality Factor at 25 Deg Celsius | 10000.0 |
| 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 |
|---|---|
| PC30J3R5 | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-14409/15 | 4/1 Identification reference U.S. Government activity |
| MIL-C-14409/15 | 5/9 Secondary reference U.S. Government activity |
| 216-990128-279 | C/1 Advisory reference — outside the item-of-supply concept Cmc Electronics Inc |
NSN 5910-01-249-9517 is a Capacitor,variable,air Dielectri, classified under FSC 5910, Capacitors. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5910-01-254-0978. Verify interchangeability with system specifications before substitution.
Key specifications for 5910-01-249-9517: Mounting Facility Type and Quantity: 2 TERMINAL; Nonderated Voltage Rating and Type: 250.0 DC CONTINUOUS SINGLE SECTION; Inclosure Type: ENCASED; Body Style: PISTON. 14 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.