The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-413-4925, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Molded Devices, Inc. Dba Mdi Div Molded Devices. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-413-4925 |
| Primary Part Number | 4-50EA |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Molded Devices, Inc. Dba Mdi Div Molded Devices |
| Status | ACTIVE |
| Design Type | FRICTION |
| Tube Outside Diameter for Which Designed | 4.625 INCHES NOMINAL IN |
| Material Document and Classification | CAGE 25205 MFR REF SINGLE MATERIAL RESPONSE |
| Opening Inside Diameter for Which Designed | 4.375 INCHES NOMINAL IN |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) |
| Inside Diameter Length | 0.625 INCHES NOMINAL IN |
| 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 |
NSN 5340-00-413-4925 is a Cap,protective,dust and Moisture, manufactured by Molded Devices, Inc. Dba Mdi Div Molded Devices, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-413-4925 has 2 manufacturer part numbers on file: 4-50 (Molded Devices, Inc. Dba Mdi Div Molded Devices), 4-50EA (Molded Devices, Inc. Dba Mdi Div Molded Devices).
Key specifications for 4-50EA: Design Type: FRICTION; Tube Outside Diameter for Which Designed: 4.625 INCHES NOMINAL IN; Material Document and Classification: CAGE 25205 MFR REF SINGLE MATERIAL RESPONSE; Opening Inside Diameter for Which Designed: 4.375 INCHES NOMINAL IN. 6 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.