The Nozzle,oil Burner,pressure Atomi, cataloged under National Stock Number 4530-01-319-6978, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Delavan Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4530-01-319-6978 |
| Primary Part Number | 2.50GPH-70DEG-TYPE B |
| Item Name | Nozzle,oil Burner,pressure Atomi |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Delavan Inc |
| Status | ACTIVE |
| Strainer Mesh Size | 100 |
| Spray Type | SOLID |
| Strainer Length | 0.562 INCHES IN |
| Capacity in Gallons Per Hour | 2.500 |
| Spray Angle in Deg | 70.0 |
| Adapter | NOT INCLUDED |
| Connection Thread Location | EXTERNAL |
| Strainer Provision | INCLUDED |
| Thread Size | 0.562-24 |
| Screw Thread Series Designator | UNEF |
| Material | COPPER ALLOY AND STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED |
| Material | COPPER ALLOY STRAINER |
| 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 |
|---|---|
| 2.50GPH-70DEG-TYPE B PRIMARY | Delavan Inc (USA) |
| Reference | Meaning |
|---|---|
| 2.50GPH-70DEG-ES | 5/9 Secondary reference U.S. Government activity |
NSN 4530-01-319-6978 is a Nozzle,oil Burner,pressure Atomi, manufactured by Delavan Inc, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-01-319-6978 has 1 manufacturer part number on file: 2.50GPH-70DEG-TYPE B (Delavan Inc).
Key specifications for 2.50GPH-70DEG-TYPE B: Strainer Mesh Size: 100; Spray Type: SOLID; Strainer Length: 0.562 INCHES IN; Capacity in Gallons Per Hour: 2.500. 13 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.