The Nozzle,oil Burner,pressure Atomi, cataloged under National Stock Number 4530-00-142-2289, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Monarch Mfg Works Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4530-00-142-2289 |
| Primary Part Number | 1.00X45AR |
| Item Name | Nozzle,oil Burner,pressure Atomi |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Monarch Mfg Works Inc |
| Status | ACTIVE |
| Strainer Mesh Size | 120 |
| Spray Type | SOLID |
| Overall Diameter | 0.562 INCHES NOMINAL IN |
| Strainer Length | 0.375 INCHES IN |
| Capacity in Gallons Per Hour | 1.000 |
| Spray Angle in Deg | 45.0 |
| Adapter | NOT INCLUDED |
| Connection Thread Location | EXTERNAL |
| Strainer Provision | INCLUDED |
| Thread Size | 0.125-27 |
| Screw Thread Series Designator | UNEF |
| Material | STEEL 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 |
|---|---|
| 1.00X45AR PRIMARY | Monarch Mfg Works Inc (USA) |
| Reference | Meaning |
|---|---|
| P442 | 5/9 Secondary reference U.S. Government activity |
NSN 4530-00-142-2289 is a Nozzle,oil Burner,pressure Atomi, manufactured by Monarch Mfg Works Inc, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-00-142-2289 has 1 manufacturer part number on file: 1.00X45AR (Monarch Mfg Works Inc).
Key specifications for 1.00X45AR: Strainer Mesh Size: 120; Spray Type: SOLID; Overall Diameter: 0.562 INCHES NOMINAL IN; Strainer Length: 0.375 INCHES IN. 14 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.