The Valve,butterfly, cataloged under National Stock Number 4820-01-389-6678, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-389-6678 |
| Primary Part Number | 3.0-52-INK-3-1 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Core Industries Inc. Dba Mueller Steam Specialty |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A395 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A395 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 3.000 INCHES IN |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Material | IRON BODY |
| Material | STEEL COMP 416 STEM |
| Material | RUBBER SEAT |
| Material | IRON 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 | X |
| Part Number | Manufacturer |
|---|---|
| 3.0-52-INK-3-1 PRIMARY | Core Industries Inc. Dba Mueller Steam Specialty (USA) |
NSN 4820-01-389-6678 is a Valve,butterfly, manufactured by Core Industries Inc. Dba Mueller Steam Specialty, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-389-6678 has 1 manufacturer part number on file: 3.0-52-INK-3-1 (Core Industries Inc. Dba Mueller Steam Specialty).
Key specifications for 3.0-52-INK-3-1: Furnished Items and Quantity: 1 HANDLE; Style Designator: STRAIGHT THRU; Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STEM; Material Document and Classification: ASTM A395 ASSN STD SINGLE MATERIAL RESPONSE BODY. 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.