The Heat Transfer Plate Assy, cataloged under National Stock Number 4520-01-550-7679, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-550-7679 |
| Item Name | Heat Transfer Plate Assy |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Material | TITANIUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 5-456-22-033-001 REV B IT 5 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
| 014-1015TS NSL | 3/9 Design control — primary reference Itt Corporation Dba Itt Standard |
| 5-456-22-033-001 REV B IT 5 | C/1 Advisory reference — outside the item-of-supply concept Fluid Handling Llc |
| 014-1015TS NSL | C/1 Advisory reference — outside the item-of-supply concept Fluid Handling Llc |
NSN 4520-01-550-7679 is a Heat Transfer Plate Assy, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-01-550-7679: End Item Identification: HEAT XCHGR 54562203ZZ 5-456-22-033-001; Material: TITANIUM ALLOY. 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.
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.