The Seat,valve, cataloged under National Stock Number 4820-00-789-1825, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-789-1825 |
| Primary Part Number | 5463B |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Seating Surface Shape | ANGULAR |
| Body Outside Diameter | 2.750 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Body Inside Diameter | 0.948 INCHES NOMINAL IN |
| Seat Angle in Deg | 37.000 NOMINAL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5463B | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 200103AAPPC148 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 200103AAPPC148 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 5463B PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 5463B | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 200103AAPPC148 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 200103AAPPC148 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
NSN 4820-00-789-1825 is a Seat,valve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-789-1825 has 7 cross-referenced part numbers: 5463B (Siemens Energy, Inc. Dba Dresser-Rand), 200103AAPPC148 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 200103AAPPC148 (Siemens Energy, Inc. Dba Dresser-Rand), 5463B (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 5463B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture) and 2 more.
There are 2 known substitutes for 4820-00-789-1825: 4930-00-711-5604, 5120-01-428-4900. Verify interchangeability with system specifications before substitution.
Key specifications for 5463B: Special Features: W/FOUR BOLT HOLES 0.255 IN. DIA EQUALLY SPACED ON 2.125 IN. DIA BOLT CIRCLE COUNTERSUNK ONE SIDE 0.474 IN. DIA 0.340 IN. D IN; Seating Surface Shape: ANGULAR; Body Outside Diameter: 2.750 INCHES NOMINAL IN; Style Designator: PLAIN. 8 total characteristics are documented in the Federal Logistics Information System.