The Valve Assembly, cataloged under National Stock Number 4820-00-488-3560, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Watts Automatic Control Valve Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve Assembly |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Watts Automatic Control Valve Inc (CAGE 0LX27) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-488-3560 |
| Primary Part Number | 3826-07 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Automatic Control Valve Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3826-07 PRIMARY | Watts Automatic Control Valve Inc (USA) |
| Reference | Meaning |
|---|---|
| 3826-7 | 5/9 Secondary reference Watts Automatic Control Valve Inc |
| 3826-7 | 5/9 Secondary reference Muesco Inc Dba Muesco Mallay Inc |
NSN 4820-00-488-3560 is a Valve Assembly, manufactured by Watts Automatic Control Valve Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-488-3560 has 1 manufacturer part number on file: 3826-07 (Watts Automatic Control Valve Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-104-6738, 3020-01-411-0013. Verify interchangeability with system specifications before substitution.
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.