The Tank,hot Water Storage, cataloged under National Stock Number 4520-01-515-5538, 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 Sam Desanto Co Inc. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-515-5538 |
| Primary Part Number | PHG-1802-U-E-M W/EHC AND CP |
| Item Name | Tank,hot Water Storage |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Sam Desanto Co Inc |
| Status | ACTIVE |
| Overall Diameter | 18.000 INCHES NOMINAL IN |
| Capacity | 36.000 GALLONS TANK |
| Mounting Position | HORIZONTAL |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| PHG-1802-U-E-M W/EHC AND CP | Sam Desanto Co Inc (USA) |
| PHG-1802-U-E-M W/EHC AND CP | Water Heater Distributors, Llc (USA) |
| Reference | Meaning |
|---|---|
| PHG-1802-U-E-M W/EHC AND CP | 5/9 Secondary reference System Specialties, Inc. Dba I&c |
| SD1802-S | 3/2 Design control — primary reference U.S. Government activity |
NSN 4520-01-515-5538 is a Tank,hot Water Storage, manufactured by Sam Desanto Co Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-515-5538 has 2 manufacturer part numbers on file: PHG-1802-U-E-M W/EHC AND CP (Sam Desanto Co Inc), PHG-1802-U-E-M W/EHC AND CP (Water Heater Distributors, Llc).
Key specifications for PHG-1802-U-E-M W/EHC AND CP: Overall Diameter: 18.000 INCHES NOMINAL IN; Capacity: 36.000 GALLONS TANK; Mounting Position: HORIZONTAL; Overall Length: 36.000 INCHES NOMINAL IN. 4 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.