The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-338-8543, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-338-8543 |
| Item Name | Plug,protective,dust and Moistur |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Design Type | THREADED |
| Overall Diameter | 0.684 INCHES MINIMUM IN |
| Material Document and Classification | L-P-390, TYPE 1, CLASS L, GRADE 1 FED SPEC SINGLE MATERIAL RESPONSE |
| Features Provided | BEVELED SEAT |
| Specification/standard Data | 80205-NAS815 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Thread Class | 2A A |
| Material | PLASTIC |
| Thread Size and Series/type Designator | 7/16-20 UNF |
| 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 |
| Reference | Meaning |
|---|---|
| NAS815-4A | 3/2 Design control — primary reference U.S. Government activity |
| 10113172 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-01-338-8543 is a Plug,protective,dust and Moistur, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-338-8543: Design Type: THREADED; Overall Diameter: 0.684 INCHES MINIMUM IN; Material Document and Classification: L-P-390, TYPE 1, CLASS L, GRADE 1 FED SPEC SINGLE MATERIAL RESPONSE; Features Provided: BEVELED SEAT. 8 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.