The Heater,space,electric, cataloged under National Stock Number 4520-01-385-0997, 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 Naval Sea Systems Command. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-385-0997 |
| Primary Part Number | 5223397-69 |
| Item Name | Heater,space,electric |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 5223397-69 PRIMARY | Naval Sea Systems Command (USA) |
| 5223397-99 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5223397-39 | 5/9 Secondary reference Naval Sea Systems Command |
| 5223397-49 | 5/9 Secondary reference Lockheed Martin Corporation Div Rotary and Mission Systems |
| 5223397-49 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 4520-01-385-0997 is a Heater,space,electric, manufactured by Naval Sea Systems Command, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-385-0997 has 2 manufacturer part numbers on file: 5223397-69 (Naval Sea Systems Command), 5223397-99 (Naval Sea Systems Command).
Key specifications for 5223397-69: Special Features: HEATER,UPTAKE ASSY; End Item Identification: ORDALT 16149,MK1MOD0,MODULE 8 CELL. 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.