The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-607-7955, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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 | 5340-01-607-7955 |
| Primary Part Number | 3867AS784-1 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Design Type | FRICTION |
| Overall Diameter | 4.5 INCHES NOMINAL IN |
| Tube Outside Diameter for Which Designed | 3.5 INCHES NOMINAL IN |
| Opening Inside Diameter for Which Designed | 3.50 INCHES MINIMUM AND 3.76 INCHES MAXIMUM IN |
| Material | STEEL |
| 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 |
|---|---|
| 3867AS784-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5340-01-607-7955 is a Cap,protective,dust and Moisture, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-607-7955 has 1 manufacturer part number on file: 3867AS784-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3867AS784-1: Design Type: FRICTION; Overall Diameter: 4.5 INCHES NOMINAL IN; Tube Outside Diameter for Which Designed: 3.5 INCHES NOMINAL IN; Opening Inside Diameter for Which Designed: 3.50 INCHES MINIMUM AND 3.76 INCHES MAXIMUM IN. 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.