The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-680-4394, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-680-4394 |
| Primary Part Number | 753890 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Design Type | THREADED |
| Overall Diameter | 0.813 INCHES NOMINAL IN |
| Thread Class | 2B |
| Material | PLASTIC |
| Thread Size and Series/type Designator | 3/4-16 UNF |
| Inside Diameter Length | 0.625 INCHES NOMINAL IN |
| Round Cap Outside Surface Condition | RIBBED |
| 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 |
|---|---|
| 753890 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| CD8 | 3/2 Design control — primary reference U.S. Government activity |
| NAS814-8 | 3/2 Design control — primary reference U.S. Government activity |
| CD8 | 5/9 Secondary reference Bio-Rad |
| N351CD8 | 5/9 Secondary reference Bio-Rad |
NSN 5340-00-680-4394 is a Cap,protective,dust and Moisture, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-680-4394 has 1 manufacturer part number on file: 753890 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 753890: Design Type: THREADED; Overall Diameter: 0.813 INCHES NOMINAL IN; Thread Class: 2B; Material: PLASTIC. 7 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.