The Valve,check, cataloged under National Stock Number 4820-01-568-5556, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Servend Intl Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-568-5556 |
| Primary Part Number | 19-0979 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Servend Intl Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| SV-150 PARTS LIST NO. 38 | Servend Intl Inc (USA) |
| 19-0979 PRIMARY | Servend Intl Inc (USA) |
| Reference | Meaning |
|---|---|
| 5011377 | 3/9 Design control — primary reference Servend Intl Inc |
NSN 4820-01-568-5556 is a Valve,check, manufactured by Servend Intl Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-568-5556 has 2 manufacturer part numbers on file: SV-150 PARTS LIST NO. 38 (Servend Intl Inc), 19-0979 (Servend Intl Inc).
Key specifications for 19-0979: Part Name Assigned by Controlling Agency: VALVE DOUBLE CHECK 3/8HB X 3/HB; End Item Identification: SV150 SERIES BEVERAGE/ICE DISPENSER. 0 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.