The Hardware Kit,electronic Equipmen, cataloged under National Stock Number 5340-01-282-5578, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is David Clark Co Inc Div David Clark Company, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-282-5578 |
| Primary Part Number | 12840G-05 |
| Item Name | Hardware Kit,electronic Equipmen |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | David Clark Co Inc Div David Clark Company, Inc. |
| Status | ACTIVE |
| Component Quantity | 6 |
| Component Document Origin | INDUSTRIAL |
| Document Source | 04655 |
| Usage Location | COMMUNICATIONS ZONE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 12840G-05 PRIMARY | David Clark Co Inc Div David Clark Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12-514069-16 | 5/9 Secondary reference General Dynamics Mission Systems, Inc. |
NSN 5340-01-282-5578 is a Hardware Kit,electronic Equipmen, manufactured by David Clark Co Inc Div David Clark Company, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-282-5578 has 1 manufacturer part number on file: 12840G-05 (David Clark Co Inc Div David Clark Company, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-514-2874. Verify interchangeability with system specifications before substitution.
Key specifications for 12840G-05: Component Quantity: 6; Component Document Origin: INDUSTRIAL; Document Source: 04655; End Item Identification: FORRESTAL CLASS CV; NIMITZ CLASS CVN; WASP CLASS LHD; COMMUNICATIONS AND DATA SYSTEMS; AN/SRC-47(V) FLIGHT DECK COMMUNICATIONS SYSTEM. 4 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.