The Disk,valve, cataloged under National Stock Number 4820-01-406-6142, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydro-Test Products, Inc. Dba Hydro-Test Products Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-406-6142 |
| Primary Part Number | 240-049 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hydro-Test Products, Inc. Dba Hydro-Test Products 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 |
|---|---|
| 240-049 PRIMARY | Hydro-Test Products, Inc. Dba Hydro-Test Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 240-049A | 5/9 Secondary reference Hydro-Test Products, Inc. Dba Hydro-Test Products Inc |
NSN 4820-01-406-6142 is a Disk,valve, manufactured by Hydro-Test Products, Inc. Dba Hydro-Test Products Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-406-6142 has 1 manufacturer part number on file: 240-049 (Hydro-Test Products, Inc. Dba Hydro-Test Products Inc).
Key specifications for 240-049: End Item Identification: 4210-00-828-4447. 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.