The Valve,water Mixing, cataloged under National Stock Number 4510-01-346-9045, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Robertshaw Controls Co Uni-Line Div. Government technical data includes 9 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4510-01-346-9045 |
| Primary Part Number | 2566-022 |
| Item Name | Valve,water Mixing |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Robertshaw Controls Co Uni-Line Div |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Temp Rating | 250.0 FAHRENHEIT DEGF |
| End Connection Quantity | 3 |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Material | COPPER ALLOY BODY |
| Material | RUBBER FLOW CONTROL DEVICE |
| Material | STEEL STEM |
| Material | COPPER ALLOY 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 |
|---|---|
| 2566-022 PRIMARY | Robertshaw Controls Co Uni-Line Div (USA) |
NSN 4510-01-346-9045 is a Valve,water Mixing, manufactured by Robertshaw Controls Co Uni-Line Div, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-346-9045 has 1 manufacturer part number on file: 2566-022 (Robertshaw Controls Co Uni-Line Div).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-350-5059. Verify interchangeability with system specifications before substitution.
Key specifications for 2566-022: Flow Control Device: DIAPHRAGM; Temp Rating: 250.0 FAHRENHEIT DEGF; End Connection Quantity: 3; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS. 9 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.