The Cover,protective,dust and Moistu, cataloged under National Stock Number 5340-01-681-3043, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Valin Corp Western Metro Div. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-681-3043 |
| Primary Part Number | 4FNV-SS |
| Item Name | Cover,protective,dust and Moistu |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Valin Corp Western Metro Div |
| Status | ACTIVE |
| Mounting Method | TWIST LOCK |
| Shape | ROUND |
| Features Provided | WEATHER RESISTANT |
| Open End Inside Diameter | 0.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| 4FNV-SS PRIMARY | Valin Corp Western Metro Div (USA) |
| 4 FNV-SS PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Veriflo Division (USA) |
| Reference | Meaning |
|---|---|
| 4FNV-SS | 5/9 Secondary reference Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn |
NSN 5340-01-681-3043 is a Cover,protective,dust and Moistu, manufactured by Valin Corp Western Metro Div, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-681-3043 has 2 manufacturer part numbers on file: 4FNV-SS (Valin Corp Western Metro Div), 4 FNV-SS (Parker-Hannifin Corporation Dba Pneutronics Div Veriflo Division).
Key specifications for 4FNV-SS: Mounting Method: TWIST LOCK; Shape: ROUND; Overall Length: 1.09 INCHES NOMINAL IN; Features Provided: WEATHER RESISTANT. 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.