The Valve,butterfly, cataloged under National Stock Number 4820-01-233-0759, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Core Industries Inc. Dba Mueller Steam Specialty. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-233-0759 |
| Primary Part Number | 5.0-51-CQQ3-1 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Core Industries Inc. Dba Mueller Steam Specialty |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 5.000 INCHES IN |
| Specification/standard Data | 81349-MIL-V-24624 GOVERNMENT SPECIFICATION |
| Maximum Operating Temp | 180.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nondefinitive Spec/std Data | 1 TYPE AND A STYLE AND 5 SIZE |
| Mounting Facility | WAFER |
| Media for Which Designed | WATER, FRESH FIRST RESPONSE |
| Media for Which Designed | WATER, SALT SECOND RESPONSE |
| Material | COPPER ALLOY 922 BODY |
| Material | NICKEL ALLOY 400 STEM |
| Material | NICKEL ALLOY 400 FLOW CONTROL DEVICE |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 5.0-51-CQQ3-1 PRIMARY | Core Industries Inc. Dba Mueller Steam Specialty (USA) |
| Reference | Meaning |
|---|---|
| 5.0-51-CQQ3-1 | 5/9 Secondary reference Universal Industrial Products Co Div of Core Industries Inc |
| MIL-V-24624 | 4/1 Identification reference U.S. Government activity |
| 5.0-51-CQQ6-1 | 5/9 Secondary reference Universal Industrial Products Co Div of Core Industries Inc |
NSN 4820-01-233-0759 is a Valve,butterfly, manufactured by Core Industries Inc. Dba Mueller Steam Specialty, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-233-0759 has 1 manufacturer part number on file: 5.0-51-CQQ3-1 (Core Industries Inc. Dba Mueller Steam Specialty).
Key specifications for 5.0-51-CQQ3-1: Style Designator: STRAIGHT THRU; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 5.000 INCHES IN; Specification/standard Data: 81349-MIL-V-24624 GOVERNMENT SPECIFICATION. 13 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.