The Nozzle,oil Burner,pressure Atomi, cataloged under National Stock Number 4530-00-496-1554, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Hauck Manufacturing Company. Government technical data includes 9 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4530-00-496-1554 |
| Primary Part Number | 6699X9 |
| Item Name | Nozzle,oil Burner,pressure Atomi |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Hauck Manufacturing Company |
| Status | ACTIVE |
| Spray Type | HOLLOW |
| Spray Angle in Deg | 40.0 |
| Adapter | NOT INCLUDED |
| Connection Thread Location | EXTERNAL |
| Strainer Provision | NOT INCLUDED |
| Thread Size | 0.250-18 |
| Screw Thread Series Designator | NPT |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| 250-33J | Hauck Manufacturing Company (USA) |
| 250-32J | Hauck Manufacturing Company (USA) |
| 6699X9 PRIMARY | Hauck Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| 250-32J | 5/2 Secondary reference U.S. Government activity |
| 250-32J | 5/9 Secondary reference Rosco Mfg Co |
| 7700030 | 5/2 Secondary reference U.S. Government activity |
NSN 4530-00-496-1554 is a Nozzle,oil Burner,pressure Atomi, manufactured by Hauck Manufacturing Company, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-00-496-1554 has 3 manufacturer part numbers on file: 250-33J (Hauck Manufacturing Company), 250-32J (Hauck Manufacturing Company), 6699X9 (Hauck Manufacturing Company).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-586-4922. Verify interchangeability with system specifications before substitution.
Key specifications for 6699X9: Spray Type: HOLLOW; Spray Angle in Deg: 40.0; Adapter: NOT INCLUDED; Overall Length: 0.764 INCHES NOMINAL IN. 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.