The Heater,space, cataloged under National Stock Number 4520-01-433-2450, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Raytheon Company Dba Raytheon Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-433-2450 |
| Primary Part Number | 4072355-0701 |
| Item Name | Heater,space |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| 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 |
|---|---|
| 4072355-0701 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| D-AH8001B | 5/9 Secondary reference Hoffman Engineering Co Div of Federal Cartridge Corp |
NSN 4520-01-433-2450 is a Heater,space, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-433-2450 has 1 manufacturer part number on file: 4072355-0701 (Raytheon Company Dba Raytheon Co).
1 possible match (shared part number, not a government interchangeability claim): 4520-01-644-6216. Verify interchangeability with system specifications before substitution.
Key specifications for 4072355-0701: End Item Identification: PRECISION RUNWAY MONITOR (PRM). 0 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.