The Center Casting,nozzle Assembly, cataloged under National Stock Number 4820-01-257-7522, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, 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 | 4820-01-257-7522 |
| Primary Part Number | 2155-242 |
| Item Name | Center Casting,nozzle Assembly |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
| Status | ACTIVE |
| General Characteristics Item Description | 1.002 IN. X 3.500 IN. IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2155-242 PRIMARY | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
| 2155-18 | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
| 2155-18-S | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
| 2155-51PL-SH2/2 1 | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
NSN 4820-01-257-7522 is a Center Casting,nozzle Assembly, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-257-7522 has 4 cross-referenced part numbers: 2155-242 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), 2155-18 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), 2155-18-S (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), 2155-51PL-SH2/2 1 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).
There are 2 known substitutes for 4820-01-257-7522: 4730-00-192-8905, 2040-01-223-7018. Verify interchangeability with system specifications before substitution.
Key specifications for 2155-242: General Characteristics Item Description: 1.002 IN. X 3.500 IN. IN. 1 total characteristics are documented in the Federal Logistics Information System.