The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-00-592-6657, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Cooper Machinery Services Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-592-6657 |
| Primary Part Number | G-4352 |
| Item Name | Plug,protective,dust and Moistur |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| Design Type | FRICTION |
| Overall Diameter | 0.752 INCHES NOMINAL IN |
| Features Provided | BEVELED SEAT |
| Opening Inside Diameter for Which Designed | 0.750 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| G-4352 PRIMARY | Cooper Machinery Services Llc (USA) |
| Reference | Meaning |
|---|---|
| G4352 | 5/9 Secondary reference Cooper Industries Inc Enterprise Engine Services |
NSN 5340-00-592-6657 is a Plug,protective,dust and Moistur, manufactured by Cooper Machinery Services Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-592-6657 has 1 manufacturer part number on file: G-4352 (Cooper Machinery Services Llc).
1 possible match (shared part number, not a government interchangeability claim): 7050-01-496-3982. Verify interchangeability with system specifications before substitution.
Key specifications for G-4352: Design Type: FRICTION; Overall Diameter: 0.752 INCHES NOMINAL IN; Features Provided: BEVELED SEAT; Opening Inside Diameter for Which Designed: 0.750 INCHES NOMINAL 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.