The Seat,valve, cataloged under National Stock Number 4820-00-420-3141, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-420-3141 |
| Primary Part Number | 186309PC217 |
| 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 |
| Flange Seat to Disk End Height | 1.000 INCHES NOMINAL IN |
| Seating Surface Shape | ANGULAR |
| Material | COPPER ALLOY OVERALL |
| Style Designator | PLAIN FLANGED |
| Flange Diameter | 1.719 INCHES NOMINAL IN |
| Body Inside Diameter | 0.656 INCHES NOMINAL IN |
| Under Flange Height | 0.750 INCHES NOMINAL IN |
| Body Outside Diameter | 1.062 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.000 NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 186297PC217 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 187688PC217 | Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA) |
| 189128PC217 | Ingersoll Rand Co (USA) |
| 166293-217 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 186290PC217 | Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA) |
| 187688PC217 | Ingersoll Rand Co (USA) |
| 188081APC217 | Ingersoll Rand Co (USA) |
| 185822PC217 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 186309PC217 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 184450PC217 | Ingersoll Rand Co (USA) |
| 189128PC217 | Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA) |
| 187732PC217 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 185762PC217 | Ingersoll Rand Co (USA) |
| 166293-217 | Ingersoll Rand Co (USA) |
| 184457PC217 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 189137PC217 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 185420PC217 | Ingersoll Rand Co (USA) |
| 166293-217 | Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA) |
| 187901PC217 | Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA) |
| 187955PC217 | Ingersoll Rand Co (USA) |
NSN 4820-00-420-3141 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 4820-00-420-3141 has 50 cross-referenced part numbers: 186297PC217 (Siemens Energy, Inc. Dba Dresser-Rand), 187688PC217 (Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture), 189128PC217 (Ingersoll Rand Co), 166293-217 (Siemens Energy, Inc. Dba Dresser-Rand), 186290PC217 (Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture) and 45 more.
Key specifications for 186309PC217: Flange Seat to Disk End Height: 1.000 INCHES NOMINAL IN; Seating Surface Shape: ANGULAR; Material: COPPER ALLOY OVERALL; Style Designator: PLAIN FLANGED. 9 total characteristics are documented in the Federal Logistics Information System.