The Diffuser,burner, cataloged under National Stock Number 4530-00-646-7148, is classified within Federal Supply Class 4530 (Fuel Burning Equipment Units) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Todd Combustion Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4530-00-646-7148 |
| Primary Part Number | D-03-00-0051X |
| Item Name | Diffuser,burner |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Todd Combustion Inc |
| Status | ACTIVE |
| General Characteristics Item Description | IRON CHROMINUM ALLOY ASTM A297 GR HX; 11.750 IN OD; 2.000 IN H; 2.125 IN ID; 12 BLADES 0.125 IN THK EQUALLY SPACED; 2 MOUNTING HOLES 0.375-16 UNC 4.000 IN C TO C; FOR CLOCKWISE AIR ROTATION IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| D-03-00-0051X PRIMARY | Todd Combustion Inc (USA) |
| Reference | Meaning |
|---|---|
| N-D-40744PC2CW | 5/9 Secondary reference Todd Combustion Inc |
| D-03-00-0051 REV F | 5/9 Secondary reference Todd Combustion Inc |
| 33572-4D3-51CW | 5/9 Secondary reference Todd Combustion Inc |
| N-D-40744 PIECE | C/1 Advisory reference — outside the item-of-supply concept Todd Combustion Inc |
| D3-51CW | 5/9 Secondary reference Todd Combustion Inc |
NSN 4530-00-646-7148 is a Diffuser,burner, manufactured by Todd Combustion Inc, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-00-646-7148 has 1 manufacturer part number on file: D-03-00-0051X (Todd Combustion Inc).
Key specifications for D-03-00-0051X: General Characteristics Item Description: IRON CHROMINUM ALLOY ASTM A297 GR HX; 11.750 IN OD; 2.000 IN H; 2.125 IN ID; 12 BLADES 0.125 IN THK EQUALLY SPACED; 2 MOUNTING HOLES 0.375-16 UNC 4.000 IN C TO C; FOR CLOCKWISE AIR ROTATION IN. 1 specification is 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.
NSN 4530-00-646-7148 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.