The Disk,valve, cataloged under National Stock Number 4820-01-075-4632, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 4 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-075-4632 |
| Primary Part Number | 6027B |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Shank Diameter | 0.375 INCHES NOMINAL IN |
| Flange Diameter | 0.500 INCHES NOMINAL IN |
| Style Designator | POPPET |
| Material | STEEL |
| 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 |
|---|---|
| 6027B PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 6027B | 3/9 Design control — primary reference U.S. Government activity |
| 200114L PC45 | 5/9 Secondary reference U.S. Government activity |
| 228303R1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 6027B | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 200114L | D/9 Drawing number reference only U.S. Government activity |
| 22830R1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4820-01-075-4632 is a Disk,valve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-075-4632 has 1 manufacturer part number on file: 6027B (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for 6027B: Shank Diameter: 0.375 INCHES NOMINAL IN; Flange Diameter: 0.500 INCHES NOMINAL IN; Overall Height: 1.525 INCHES NOMINAL IN; Style Designator: POPPET. 4 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.