The Valve,vacuum Breaking, cataloged under National Stock Number 4820-01-585-1204, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Winsupply Anniston Al Co.. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-585-1204 |
| Primary Part Number | NO. 8C |
| Item Name | Valve,vacuum Breaking |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Winsupply Anniston Al Co. |
| Status | ACTIVE |
| Material | COPPER ALLOY BODY |
| Material | RUBBER SEAT |
| Media for Which Designed | WATER, FRESH |
| 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 |
|---|---|
| NO. 8C | Winsupply Anniston Al Co. (USA) |
| Reference | Meaning |
|---|---|
| NO. 8C | 3/9 Design control — primary reference Watts Water Technologies Inc |
| 8C 3/4 | 5/9 Secondary reference Watts Water Technologies Inc |
| 0061985 | 5/9 Secondary reference Watts Water Technologies Inc |
NSN 4820-01-585-1204 is a Valve,vacuum Breaking, manufactured by Winsupply Anniston Al Co., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-585-1204 has 1 manufacturer part number on file: NO. 8C (Winsupply Anniston Al Co.).
Key specifications for NO. 8C: End Item Identification: 4110-01-534-7675; Material: COPPER ALLOY BODY; Material: RUBBER SEAT; Media for Which Designed: WATER, FRESH. 3 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.