The Tank,hot Water Storage, cataloged under National Stock Number 4520-00-866-4361, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-866-4361 |
| Item Name | Tank,hot Water Storage |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Overall Diameter | 13.750 INCHES NOMINAL IN |
| Mounting Position | VERTICAL |
| Operating Pressure | 75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Insulated Feature | NOT INCLUDED |
| Thread Size | 3/4-14 |
| Screw Thread Series Designator | NPT |
| Material | STEEL CORROSION RESISTING |
| Fabrication Method | WELDED |
| Connection Quantity | 6 |
| 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 |
|---|---|
| 695590-1 | 5/2 Secondary reference U.S. Government activity |
| 13217E4053 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4520-00-866-4361 is a Tank,hot Water Storage, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-00-866-4361: Overall Height: 33.810 INCHES NOMINAL IN; Overall Diameter: 13.750 INCHES NOMINAL IN; Mounting Position: VERTICAL; Operating Pressure: 75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 9 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.