The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-019-8774, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-019-8774 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Design Type | FRICTION |
| Overall Diameter | 3.000 INCHES MINIMUM AND 3.320 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-P-3803, GRADE 1, MOLDED MIL SPEC SINGLE MATERIAL RESPONSE |
| Opening Inside Diameter for Which Designed | 3.170 INCHES MINIMUM AND 3.190 INCHES MAXIMUM IN |
| Material | PLASTIC, POLYETHYLENE (PP) |
| Inside Diameter Length | 0.645 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| Round Cap Outside Surface Condition | SMOOTH |
| 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 |
|---|---|
| 1430841 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2285770 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5340-01-019-8774 is a Cap,protective,dust and Moisture, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5980-01-476-2918. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-019-8774: Design Type: FRICTION; Overall Diameter: 3.000 INCHES MINIMUM AND 3.320 INCHES MAXIMUM IN; Material Document and Classification: MIL-P-3803, GRADE 1, MOLDED MIL SPEC SINGLE MATERIAL RESPONSE; Opening Inside Diameter for Which Designed: 3.170 INCHES MINIMUM AND 3.190 INCHES MAXIMUM IN. 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.