The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-472-5735, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is United Electric Controls Co Div Precision Sensors Division. Government technical data includes 6 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 | 5340-01-472-5735 |
| Primary Part Number | A9391 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | United Electric Controls Co Div Precision Sensors Division |
| Status | ACTIVE |
| Design Type | FRICTION |
| Overall Diameter | 0.688 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Opening Inside Diameter for Which Designed | 0.312 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| A9391 PRIMARY | United Electric Controls Co Div Precision Sensors Division (USA) |
NSN 5340-01-472-5735 is a Cap,protective,dust and Moisture, manufactured by United Electric Controls Co Div Precision Sensors Division, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-472-5735 has 1 manufacturer part number on file: A9391 (United Electric Controls Co Div Precision Sensors Division).
Key specifications for A9391: Design Type: FRICTION; Overall Diameter: 0.688 INCHES NOMINAL IN; Material Document and Classification: QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE; Opening Inside Diameter for Which Designed: 0.312 INCHES NOMINAL IN. 6 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.