The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-00-649-3315, is classified within Federal Supply Class 5910 (Capacitors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Pax Mfg Corp Hammarlund Mfg Co Div. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5910-00-649-3315 |
| Primary Part Number | HFA25B |
| Item Name | Capacitor,variable,air Dielectri |
| FSC / FSG | 5910 / 59 — Capacitors |
| Manufacturer | Pax Mfg Corp Hammarlund Mfg Co Div |
| Status | ACTIVE |
| Shaft Type | ROUND 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 | 1200.0 AC PEAK SINGLE SECTION |
| Shaft Diameter | 0.187 INCHES NOMINAL SINGLE SHAFT IN |
| Inclosure Type | UNINCLOSED |
| Adjustment Device Rotation | 180.0 DEGREES NOMINAL CLOCKWISE |
| Capacitance Range in Picofarads | +5.0 TO 25.0 SINGLE SECTION |
| Tuning Characteristic | STRAIGHT LINE CAPACITY SINGLE SECTION |
| Shaft Length | 0.375 INCHES NOMINAL SINGLE SHAFT IN |
| Adjustment Device Drive Type and Quantity | 1 SHAFT |
| Terminal Type and Quantity | 1 TAB, SOLDER LUG AND 2 SOLDER STUD |
| 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 |
|---|---|
| HFA25B PRIMARY | Pax Mfg Corp Hammarlund Mfg Co Div (USA) |
| Reference | Meaning |
|---|---|
| G603470-2 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5910-00-649-3315 is a Capacitor,variable,air Dielectri, manufactured by Pax Mfg Corp Hammarlund Mfg Co Div, classified under FSC 5910, Capacitors. Status: active.
NSN 5910-00-649-3315 has 1 manufacturer part number on file: HFA25B (Pax Mfg Corp Hammarlund Mfg Co Div).
Key specifications for HFA25B: Shaft Type: ROUND SINGLE SHAFT; Bushing Shape: ROUND; Bushing Length: 0.500 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 THREADED BUSHING. 13 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.