The Chamber,suction, cataloged under National Stock Number 4320-01-483-7654, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-483-7654 |
| Primary Part Number | EW-590KL |
| Item Name | Chamber,suction |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | DC Fabricators Inc |
| Status | ACTIVE |
| Material | STEEL |
| 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-2200CVITEM4 | DC Fabricators Inc (USA) |
| EW-590KL PRIMARY | DC Fabricators Inc (USA) |
| Reference | Meaning |
|---|---|
| EW-590KL REV A | D/9 Drawing number reference only DC Fabricators Inc |
NSN 4320-01-483-7654 is a Chamber,suction, manufactured by DC Fabricators Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-483-7654 has 2 manufacturer part numbers on file: EW-2200CVITEM4 (DC Fabricators Inc), EW-590KL (DC Fabricators Inc).
Key specifications for EW-590KL: Overall Height: 5.260 INCHES NOMINAL IN; Special Features: MATERIAL SPEC: ASTM A27 GR. 60-30; Part Name Assigned by Controlling Agency: SUCTION CHAMBER FOR AIR EJECTOR; End Item Identification: AIR EJECTOR, WSD: NUCLEAR REACTOR BOUNDRY AREA. 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.