The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-00-449-4559, 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 Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-449-4559 |
| Primary Part Number | 277010 |
| Item Name | Diaphragm,actuator Valve,special |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Hole Diameter | 0.300 INCHES NOMINAL IN |
| Style Designator | SPECIAL SHAPED |
| Bolt Hole Quantity | 6 |
| Outside Diameter | 4.312 INCHES NOMINAL IN |
| Material | RUBBER |
| Bolt Circle Diameter | 3.625 INCHES NOMINAL IN |
| Bead Diameter | 2.500 INCHES NOMINAL IN |
| Center Hole Diameter | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 277010 | Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA) |
| 277010 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 277010 | Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA) |
| 277010 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
NSN 4820-00-449-4559 is a Diaphragm,actuator Valve,special, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-449-4559 has 4 cross-referenced part numbers: 277010 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 277010 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 277010 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 277010 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
There is 1 known substitute for 4820-00-449-4559: 5920-01-084-0773. Verify interchangeability with system specifications before substitution.
Key specifications for 277010: Material Thickness: 0.040 INCHES NOMINAL IN; Hole Diameter: 0.300 INCHES NOMINAL IN; Style Designator: SPECIAL SHAPED; Bolt Hole Quantity: 6. 9 total characteristics are documented in the Federal Logistics Information System.