The Disk,valve, cataloged under National Stock Number 4820-00-119-3254, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-119-3254 |
| Primary Part Number | 114963PC302 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Outside Diameter | 0.685 INCHES NOMINAL IN |
| Style Designator | SOLID |
| 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 |
|---|---|
| 114963PC302 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 114973PC302 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 39B PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 114973PC302 | 5/9 Secondary reference U.S. Government activity |
| 39B | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| 39B | 5/9 Secondary reference U.S. Government activity |
| 39B | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 114963PC302 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-119-3254 is a Disk,valve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-119-3254 has 3 manufacturer part numbers on file: 114963PC302 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 114973PC302 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 39B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
3 possible matches (shared part number, not a government interchangeability claim): 5340-00-201-2306, 5930-01-006-8030, 5310-01-152-6115. Verify interchangeability with system specifications before substitution.
Key specifications for 114963PC302: Overall Height: 0.091 INCHES NOMINAL IN; Outside Diameter: 0.685 INCHES NOMINAL IN; Style Designator: SOLID; Media for Which Designed: AIR. 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.