The Heat Exchanger Plate,frame, cataloged under National Stock Number 4520-01-550-7553, 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 Fluid Handling Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-550-7553 |
| Primary Part Number | 5-456-22-033-001 |
| Item Name | Heat Exchanger Plate,frame |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Fluid Handling Llc |
| Status | ACTIVE |
| Material | TITANIUM |
| 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 |
|---|---|
| PA20397/2110 IT 25 | Alstom Power Conversion Inc. (USA) |
| 5-456-22-033-001 PRIMARY | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 5-456-22-033-001 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
NSN 4520-01-550-7553 is a Heat Exchanger Plate,frame, manufactured by Fluid Handling Llc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-550-7553 has 2 manufacturer part numbers on file: PA20397/2110 IT 25 (Alstom Power Conversion Inc.), 5-456-22-033-001 (Fluid Handling Llc).
Key specifications for 5-456-22-033-001: Special Features: HEAT EXCHANGER, PLATE AND FRAME, SEAWATER-ETHYLENE-GLYCOL, 50 GPM, 33 PLATE, TITANIUM PLATE, 150 PSI, W/LIFTING LUGS; Part Name Assigned by Controlling Agency: HEAT EXCHANGER PLATE AND FRAME; End Item Identification: HEAT XCHGR 54562203ZZ 5-456-22-033-001; Material: TITANIUM. 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.