The Diffuser,air Ejector, cataloged under National Stock Number 4320-01-312-5837, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is DC Fabricators Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-312-5837 |
| Primary Part Number | EW-2100CX14 PIECE 815 |
| Item Name | Diffuser,air Ejector |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | DC Fabricators Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; 2ND STAGE |
| 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 |
|---|---|
| EW-2100CX14-4HL300 PIECE 815 | DC Fabricators Inc (USA) |
| EW-2100CX14 PIECE 815 | Siemens Energy, Inc. (USA) |
| EW-2100CX14 PIECE 815 PRIMARY | DC Fabricators Inc (USA) |
| Reference | Meaning |
|---|---|
| EW-2100CX14 | D/9 Drawing number reference only Siemens Energy, Inc. |
| EW-2100CX14-4HL300 PIECE 815 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 4320-01-312-5837 is a Diffuser,air Ejector, manufactured by DC Fabricators Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-312-5837 has 3 manufacturer part numbers on file: EW-2100CX14-4HL300 PIECE 815 (DC Fabricators Inc), EW-2100CX14 PIECE 815 (Siemens Energy, Inc.), EW-2100CX14 PIECE 815 (DC Fabricators Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-312-5838. Verify interchangeability with system specifications before substitution.
Key specifications for EW-2100CX14 PIECE 815: General Characteristics Item Description: STEEL; 2ND STAGE; End Item Identification: IMO DELAVAL MODEL 4HL300 AIR EJECTOR ASSY. 1 specification is 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.