The Valve,stop-Check, cataloged under National Stock Number 4820-01-554-5548, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-554-5548 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Valve Size | 0.375 INCHES IN |
| Material | COPPER 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 |
| Reference | Meaning |
|---|---|
| BSSR10C | 3/9 Design control — primary reference Ferguson Enterprises Inc Dba Ferguson 667 |
| SSR10C | 5/9 Secondary reference Ferguson Enterprises Inc Dba Ferguson 667 |
NSN 4820-01-554-5548 is a Valve,stop-Check, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-554-5548: Valve Size: 0.375 INCHES IN; Part Name Assigned by Controlling Agency: STR STOP VALVE 3/8" FPT; End Item Identification: GLOBE VALVE 4820-01-104-0611; Material: COPPER ALLOY BODY. 2 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.