The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-438-1033, 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7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-438-1033 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Width Across Flats | 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN |
| Design Type | THREADED |
| Overall Diameter | 1.005 INCHES MINIMUM AND 1.035 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OR PHOSPHATE |
| Thread Class | 3B |
| Material | ALUMINUM ALLOY |
| Thread Size and Series/type Designator | 1.000-16 UNIFIED NATIONAL JOINT (UNJ) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| 910254-12 | 3/2 Design control — primary reference U.S. Government activity |
| 910254-12 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| 10113342 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-01-438-1033 is a Cap,protective,dust and Moisture, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-438-1033: Width Across Flats: 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN; Design Type: THREADED; Overall Diameter: 1.005 INCHES MINIMUM AND 1.035 INCHES MAXIMUM IN; Special Features: INCLUDES INTERNAL PRESS FIT NYLONPAD WHICH MUST ALLOW FOR THREE THREADSENGAGEMENT. 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.
NSN 5340-01-438-1033 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.