The Deflector,dirt and Liquid, cataloged under National Stock Number 4320-00-398-6903, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-398-6903 |
| Primary Part Number | NC588BNX2 |
| Item Name | Deflector,dirt and Liquid |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Mounting Hole Quantity | 1 |
| Outside Diameter | 4.250 INCHES NOMINAL IN |
| Material Thickness | 1.375 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Inside Diameter | 2.187 INCHES NOMINAL IN |
| Thread Class | 3B |
| Material | STEEL |
| Thread Size and Series/type Designator | 0.250-20 UNIFIED NATIONAL COARSE (UNC) |
| Mounting Hole Type | THREADED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CS4320-0007 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| NC588BNX2 PRIMARY | Siemens Energy, Inc. (USA) |
NSN 4320-00-398-6903 is a Deflector,dirt and Liquid, manufactured by Siemens Energy, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-398-6903 has 2 manufacturer part numbers on file: CS4320-0007 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), NC588BNX2 (Siemens Energy, Inc.).
Key specifications for NC588BNX2: Mounting Hole Quantity: 1; Outside Diameter: 4.250 INCHES NOMINAL IN; Material Thickness: 1.375 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.