The Valve,check, cataloged under National Stock Number 4820-01-336-9048, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Zevco Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-336-9048 |
| Primary Part Number | ZCV-100-4F |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Zevco Inc |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | QQ-Q-200/3 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225/8 FED SPEC 2ND MATERIAL RESPONSE BODY |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material | ALUMINUM ALLOY 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-100-4F PRIMARY | Zevco Inc (USA) |
| Reference | Meaning |
|---|---|
| 4820-013F1-4 | 5/9 Secondary reference Aidc/aerospace Industrial Development Corp. Dba Aidc |
| 864AV-4TT | 3/2 Design control — primary reference U.S. Government activity |
| 4C225-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-336-9048 is a Valve,check, manufactured by Zevco Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-336-9048 has 1 manufacturer part number on file: ZCV-100-4F (Zevco Inc).
Key specifications for ZCV-100-4F: Flow Control Device: POPPET; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Style Designator: STRAIGHT THRU; Material Document and Classification: QQ-Q-200/3 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225/8 FED SPEC 2ND MATERIAL RESPONSE BODY. 6 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.