The Valve,check, cataloged under National Stock Number 4820-01-049-3683, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Zevco Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-049-3683 |
| Primary Part Number | ZCV-100-8F |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Zevco Inc |
| Status | ACTIVE |
| FSC Application Data | FUEL SYSTEM,AIRCRAFT |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material | ALUMINUM ALLOY 2024 BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ZCV-100-8F | Zevco Inc (USA) |
| Reference | Meaning |
|---|---|
| 4820PL1605380 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C7553F1-8 | 7/2 Vendor item drawing reference U.S. Government activity |
| ZCV-100-8F | 5/2 Secondary reference U.S. Government activity |
| 864AV-8TT | 5/9 Secondary reference U.S. Government activity |
| CV99-12 | 5/2 Secondary reference U.S. Government activity |
| 4820PL1604847 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4C225-8 | 3/2 Design control — primary reference U.S. Government activity |
| 34-4200F1-8 | 5/2 Secondary reference U.S. Government activity |
| ZCV-100-8F | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-049-3683 is a Valve,check, manufactured by Zevco Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-049-3683 has 1 manufacturer part number on file: ZCV-100-8F (Zevco Inc).
Key specifications for ZCV-100-8F: FSC Application Data: FUEL SYSTEM,AIRCRAFT; Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY; End Item Identification: ACFT,TYPE F-16;AIRCRAFT, F-16; Material: ALUMINUM ALLOY 2024 BODY. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.