The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-226-9854, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Atlas Polar Company Limited Div Atlas Polar Company Ltd. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-226-9854 |
| Primary Part Number | 259-P-06 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Atlas Polar Company Limited Div Atlas Polar Company Ltd |
| Status | ACTIVE |
| Design Type | FRICTION |
| Tube Outside Diameter for Which Designed | 0.375 INCHES NOMINAL IN |
| Material | PLASTIC, POLYETHYLENE (PP) |
| Inside Diameter Length | 0.562 INCHES NOMINAL 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 |
| Part Number | Manufacturer |
|---|---|
| 259-P-06 | Atlas Polar Company Limited Div Atlas Polar Company Ltd (CAN) |
| Reference | Meaning |
|---|---|
| 259-P-06 | 3/9 Design control — primary reference Imperial |
NSN 5340-01-226-9854 is a Cap,protective,dust and Moisture, manufactured by Atlas Polar Company Limited Div Atlas Polar Company Ltd, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-226-9854 has 1 manufacturer part number on file: 259-P-06 (Atlas Polar Company Limited Div Atlas Polar Company Ltd).
Key specifications for 259-P-06: Design Type: FRICTION; Tube Outside Diameter for Which Designed: 0.375 INCHES NOMINAL IN; Special Features: CLOSED END CONICAL SHAPE; Material: PLASTIC, POLYETHYLENE (PP). 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.