The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-239-8170, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-239-8170 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Design Type | THREADED |
| Overall Diameter | 1.344 INCHES MINIMUM IN |
| Material Document and Classification | QQ-A-250/2, ALLOY 3003, TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 80205-NAS817 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Thread Class | 2B |
| Material | ALUMINUM ALLOY 3003 |
| Thread Size and Series/type Designator | 1.312-12 UN |
| Inside Diameter Length | 0.680 INCHES MINIMUM IN |
| Round Cap Outside Surface Condition | KNURLED |
| 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 |
|---|---|
| NAS817N16 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-239-8170 is a Cap,protective,dust and Moisture, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-239-8170: Design Type: THREADED; Overall Diameter: 1.344 INCHES MINIMUM IN; Material Document and Classification: QQ-A-250/2, ALLOY 3003, TEMPER 0 FED SPEC SINGLE MATERIAL RESPONSE; Specification/standard Data: 80205-NAS817 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 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.