The Nozzle,oil Burner,pressure Atomi, cataloged under National Stock Number 4530-01-126-4957, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Diving Unlimited International Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4530-01-126-4957 |
| Primary Part Number | 780253 |
| Item Name | Nozzle,oil Burner,pressure Atomi |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Diving Unlimited International Inc |
| Status | ACTIVE |
| Spray Type | HOLLOW |
| Capacity in Gallons Per Hour | 2.500 |
| Spray Angle in Deg | 80.0 |
| 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 |
|---|---|
| 780253 PRIMARY | Diving Unlimited International Inc (USA) |
| Reference | Meaning |
|---|---|
| 33006-08 | 5/9 Secondary reference Diving Unlimited International Inc |
| 250A80DEG | 5/9 Secondary reference Diving Unlimited International Inc |
| 3D0B29 | 5/9 Secondary reference Diving Unlimited International Inc |
NSN 4530-01-126-4957 is a Nozzle,oil Burner,pressure Atomi, manufactured by Diving Unlimited International Inc, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-01-126-4957 has 1 manufacturer part number on file: 780253 (Diving Unlimited International Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-490-2518. Verify interchangeability with system specifications before substitution.
Key specifications for 780253: Spray Type: HOLLOW; Capacity in Gallons Per Hour: 2.500; Spray Angle in Deg: 80.0. 3 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.