The Seat,valve, cataloged under National Stock Number 4820-01-144-9208, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Siemens Energy, Inc. Dba Dresser-Rand. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-144-9208 |
| Primary Part Number | 990045U86 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Siemens Energy, Inc. Dba Dresser-Rand |
| Status | ACTIVE |
| Material | COPPER ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 990045U86 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| A-750 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 200137 FIND 250-4 | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| 200137 FIND 250-4 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 990045U86 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 990045U86 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 200137 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 200137 FIND 250-4 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
NSN 4820-01-144-9208 is a Seat,valve, manufactured by Siemens Energy, Inc. Dba Dresser-Rand, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-144-9208 has 8 cross-referenced part numbers: 990045U86 (Siemens Energy, Inc. Dba Dresser-Rand), A-750 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 200137 FIND 250-4 (Siemens Energy, Inc. Dba Dresser-Rand), 200137 FIND 250-4 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 990045U86 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture) and 3 more.
There are 9 known substitutes for 4820-01-144-9208: 5315-00-148-8962, 5133-00-189-9282, 5935-00-401-5758 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 990045U86: Material: COPPER ALLOY OVERALL. 1 total characteristics are documented in the Federal Logistics Information System.