The Valve,fuel Oil, cataloged under National Stock Number 4530-00-346-6568, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Valve,fuel Oil |
| FSC / FSG | 4530 — Fuel Burning Equipment Units (FSG 45) |
| Manufacturers | Aqua-Chem, Inc. Dba Aqua-Chem Inc (CAGE 0EXU3) |
| Parameter | Value |
|---|---|
| NSN | 4530-00-346-6568 |
| Primary Part Number | 940-139 |
| Item Name | Valve,fuel Oil |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 940-139 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| 3-1394DPC20 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 940-139 | 5/9 Secondary reference Aqua-Chem Inc Cleaver-Brooks Div |
| 3-1394DPC20 | 3/9 Design control — primary reference Aqua-Chem Inc Cleaver-Brooks Div |
NSN 4530-00-346-6568 is a Valve,fuel Oil, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-00-346-6568 has 2 manufacturer part numbers on file: 940-139 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 3-1394DPC20 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-128-5430. Verify interchangeability with system specifications before substitution.
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.