The Capacitor,variable,air Dielectri, cataloged under National Stock Number 5910-00-682-3828, 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 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5910-00-682-3828 |
| Primary Part Number | ATM21L0CKING |
| Item Name | Capacitor,variable,air Dielectri |
| FSC / FSG | 5910 / 59 — Capacitors |
| Manufacturer | Viking Technologies, Ltd. |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE SHAFT |
| Shaft Diameter | 0.187 INCHES NOMINAL SINGLE SHAFT IN |
| Inclosure Type | UNINCLOSED |
| Adjustment Device Rotation | 180.0 DEGREES NOMINAL CLOCKWISE |
| Capacitance Range in Picofarads | +2.6 TO 21.5 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 | 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 |
|---|---|
| ATM21L0CKING PRIMARY | Viking Technologies, Ltd. (USA) |
| B19554ISSUEA PRIMARY | Viking Technologies, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| B19554ISSUEA | 5/9 Secondary reference Dar Electronics Inc Dba National Radio Co |
NSN 5910-00-682-3828 is a Capacitor,variable,air Dielectri, manufactured by Viking Technologies, Ltd., classified under FSC 5910, Capacitors. Status: active.
NSN 5910-00-682-3828 has 2 manufacturer part numbers on file: ATM21L0CKING (Viking Technologies, Ltd.), B19554ISSUEA (Viking Technologies, Ltd.).
Key specifications for ATM21L0CKING: Shaft Type: ROUND SINGLE SHAFT; Shaft Diameter: 0.187 INCHES NOMINAL SINGLE SHAFT IN; Inclosure Type: UNINCLOSED; Adjustment Device Rotation: 180.0 DEGREES NOMINAL CLOCKWISE. 9 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.