The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-645-2796, 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 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-645-2796 |
| Primary Part Number | 3392AS1639 |
| Item Name | Plug,protective,dust and Moistur |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-DTL-14538D MIL SPEC SINGLE TREATMENT RESPONSE |
| Design Type | THREADED |
| Overall Diameter | 2.750 INCHES NOMINAL IN |
| Opening Inside Diameter for Which Designed | 1.870 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM |
| Thread Class | 2A A |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 3392AS1639 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 3392AS1639 | Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (USA) |
NSN 5340-01-645-2796 is a Plug,protective,dust and Moistur, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-645-2796 has 2 manufacturer part numbers on file: 3392AS1639 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 3392AS1639 (Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division).
Key specifications for 3392AS1639: Surface Treatment Document and Classification: MIL-DTL-14538D MIL SPEC SINGLE TREATMENT RESPONSE; Design Type: THREADED; Overall Diameter: 2.750 INCHES NOMINAL IN; Opening Inside Diameter for Which Designed: 1.870 INCHES NOMINAL IN. 7 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.