The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-664-1399, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-664-1399 |
| Primary Part Number | 826585-2 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Width Across Flats | 1.120 INCHES NOMINAL IN |
| Design Type | THREADED |
| Connector Nominal Thread Size for Which Designed | 0.875 INCHES IN |
| Thread Class | 3A A |
| Thread Size and Series/type Designator | 0.875-14 NF |
| 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 |
|---|---|
| 826585-2 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5340-01-664-1399 is a Cap,protective,dust and Moisture, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-664-1399 has 1 manufacturer part number on file: 826585-2 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 826585-2: Width Across Flats: 1.120 INCHES NOMINAL IN; Design Type: THREADED; Connector Nominal Thread Size for Which Designed: 0.875 INCHES IN; Part Name Assigned by Controlling Agency: BREATHER, OIL FILTER. 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.