The Door Assembly,air, cataloged under National Stock Number 4530-00-394-8496, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Door Assembly,air |
| FSC / FSG | 4530 — Fuel Burning Equipment Units (FSG 45) |
| Manufacturers | Todd Combustion Inc (CAGE 31923) |
| Parameter | Value |
|---|---|
| NSN | 4530-00-394-8496 |
| Primary Part Number | D-5-7-3 |
| Item Name | Door Assembly,air |
| FSC / FSG | 4530 / 45 — Fuel Burning Equipment Units |
| Manufacturer | Todd Combustion Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| D-5-7-3 PRIMARY | Todd Combustion Inc (USA) |
| Reference | Meaning |
|---|---|
| 40022S4PC11T013 | 5/9 Secondary reference Todd Shipyards Corp |
| 41273-5PC12 | 5/9 Secondary reference Todd Shipyards Corp |
| 41273-2PC12 | 5/9 Secondary reference Todd Shipyards Corp |
| 50039-3PC9T011 | 5/9 Secondary reference Todd Shipyards Corp |
| 40050S2PC6 | 5/9 Secondary reference Todd Shipyards Corp |
| 40050S2PC7T09 | 5/9 Secondary reference Todd Shipyards Corp |
| 40049S1PC6 | 5/9 Secondary reference Todd Shipyards Corp |
NSN 4530-00-394-8496 is a Door Assembly,air, manufactured by Todd Combustion Inc, classified under FSC 4530, Fuel Burning Equipment Units. Status: active.
NSN 4530-00-394-8496 has 1 manufacturer part number on file: D-5-7-3 (Todd Combustion Inc).
1 possible match (shared part number, not a government interchangeability claim): 7510-01-317-4222. Verify interchangeability with system specifications before substitution.
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.