The Disk,valve, cataloged under National Stock Number 4820-00-146-4520, 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 8 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 40 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-146-4520 |
| Primary Part Number | 114727PC184 |
| 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 | 0.185 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 1.312 INCHES NOMINAL IN |
| Style Designator | POPPET |
| Tip Diameter | 0.185 INCHES NOMINAL IN |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Under Flange Height | 0.110 INCHES NOMINAL IN |
| Media for Which Designed | AIR |
| 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 |
|---|---|
| 114727PC184 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 1708B PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 110912PC184 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 113523PC161 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 116221PC188 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 111128PC184 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 116927PC184 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 156408PC47 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 117527PC184 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 116727PC184 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 114712PC184 | 5/9 Secondary reference U.S. Government activity |
| 119628PC184 | 5/9 Secondary reference U.S. Government activity |
| 116927PC184 | 5/9 Secondary reference U.S. Government activity |
| 114927PC172 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 116828PC184 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 118212PC184 | 5/9 Secondary reference U.S. Government activity |
| 114972PC172 | 5/9 Secondary reference U.S. Government activity |
| 1708B | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 116912PC184 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 111128PC184 | 5/9 Secondary reference U.S. Government activity |
| 111023PC188 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 113427PC184 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 111227PC184 | 5/9 Secondary reference U.S. Government activity |
| 113428PC184 | 5/9 Secondary reference U.S. Government activity |
| 117528PC184 | 5/9 Secondary reference U.S. Government activity |
| 116928PC184 | 5/9 Secondary reference U.S. Government activity |
| 111112PC184 | 5/9 Secondary reference U.S. Government activity |
| 114927PC172 | 5/9 Secondary reference U.S. Government activity |
| 116327PC184 | 5/9 Secondary reference U.S. Government activity |
| 118828PC184 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-146-4520 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 4820-00-146-4520 has 10 manufacturer part numbers on file: 114727PC184 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 1708B (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 110912PC184 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 113523PC161 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 116221PC188 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions) and 5 more.
Key specifications for 114727PC184: Shank Diameter: 0.185 INCHES NOMINAL IN; Flange Seat to Disk End Height: 1.312 INCHES NOMINAL IN; Overall Height: 1.686 INCHES NOMINAL IN; Style Designator: POPPET. 8 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.