The Plate,sprayer,oil Burner Atomize, cataloged under National Stock Number 4530-00-372-0920, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4530-00-372-0920 |
| Primary Part Number | S5504-494537PC1-33Y20 |
| Item Name | Plate,sprayer,oil Burner Atomize |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Atomizer Type | RETURN FLOW |
| Overall Diameter | 0.998 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| Size Designator | 33Y20 |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| 4174-33Y20 | Todd Combustion Inc (USA) |
| S5504-494537PC1-33Y20 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 33Y20 | 5/9 Secondary reference Todd Combustion Inc |
| S5504-494537PC1-33Y20 | 5/9 Secondary reference U.S. Government activity |
NSN 4530-00-372-0920 is a Plate,sprayer,oil Burner Atomize, manufactured by Naval Sea Systems Command, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-00-372-0920 has 2 manufacturer part numbers on file: 4174-33Y20 (Todd Combustion Inc), S5504-494537PC1-33Y20 (Naval Sea Systems Command).
Key specifications for S5504-494537PC1-33Y20: Overall Height: 0.342 INCHES NOMINAL IN; Atomizer Type: RETURN FLOW; Overall Diameter: 0.998 INCHES NOMINAL IN; Material Document and Classification: QQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE. 5 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.