The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-00-809-9931, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5910-00-809-9931 |
| Primary Part Number | MAPC10B |
| Item Name | Capacitor,variable,air Dielectri |
| FSC / FSG | 5910 / 59 — Capacitors |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE SHAFT |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Nonderated Voltage Rating and Type | 600.0 AC PEAK SINGLE SECTION |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE SHAFT IN |
| Inclosure Type | UNINCLOSED |
| Adjustment Device Rotation | 180.0 DEGREES NOMINAL CLOCKWISE |
| Capacitance Range in Picofarads | +2.0 TO 10.0 SINGLE SECTION |
| Mounting Facility Screw Thread Series Designator | UNS |
| Tuning Characteristic | STRAIGHT LINE CAPACITY SINGLE SECTION |
| Nominal Thread Size | 0.112 INCHES IN |
| Shaft Length | 0.562 INCHES NOMINAL SINGLE SHAFT IN |
| Adjustment Device Drive Type and Quantity | 1 SHAFT |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Terminal Type and Quantity | 1 TAB, SOLDER LUG AND 1 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 |
|---|---|
| MAPC10B PRIMARY | Viking Technologies, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| P31800028 | 5/2 Secondary reference U.S. Government activity |
| MAPC10B | 5/9 Secondary reference Pax Mfg Corp Hammarlund Mfg Co Div |
NSN 5910-00-809-9931 is a Capacitor,variable,air Dielectri, manufactured by Viking Technologies, Ltd., classified under FSC 5910, Capacitors. Status: active.
NSN 5910-00-809-9931 has 1 manufacturer part number on file: MAPC10B (Viking Technologies, Ltd.).
Key specifications for MAPC10B: Shaft Type: ROUND SINGLE SHAFT; Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Nonderated Voltage Rating and Type: 600.0 AC PEAK SINGLE SECTION; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE SHAFT IN. 15 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.