The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-257-1809, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-257-1809 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Overall Diameter | 8.250 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Material | RUBBER SYNTHETIC |
| Round Cap Outside Surface Condition | SMOOTH |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| 215-4365024PCF-115 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 9451-118 F 115 | 3/1 Design control — primary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 0900-162 PC 253 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 9001-6PC24 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 5340-01-257-1809 is a Cap,protective,dust and Moisture, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-257-1809: Overall Diameter: 8.250 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Material: RUBBER SYNTHETIC; Round Cap Outside Surface Condition: SMOOTH. 5 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.