The Boiler,heating,low Pressure, cataloged under National Stock Number 4520-01-310-4830, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-310-4830 |
| Item Name | Boiler,heating,low Pressure |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Status | ACTIVE |
| Pressure Rating | 15.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Unable to Decode | UNABLE TO DECODE |
| Firing Type | GAS |
| Gas Burner Type | ANY ACCEPTABLE |
| Overall Diameter | 42.000 INCHES NOMINAL IN |
| Horsepower Rating | 7.3 |
| Heating System Design | STEAM |
| Boiler Type | VERTICAL FIRE TUBE |
| Ignition Method | GAS |
| Jacket Inclosure Feature | NOT INCLUDED |
| Accessory Components and Quantity | GAUGE,STEAM PRESSURE 1; GAUGE,WATER 1 |
| Heat Delivery Rate in Btu Per Hour | 792000.0 |
| Gas Type | NATURAL |
| 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 |
|---|---|
| D890 | 3/9 Design control — primary reference Aldrico, Inc. Dba Aldrich Company |
NSN 4520-01-310-4830 is a Boiler,heating,low Pressure, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2540-01-363-2017. Verify interchangeability with system specifications before substitution.
Key specifications for 4520-01-310-4830: Overall Height: 76.000 INCHES NOMINAL IN; Pressure Rating: 15.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Unable to Decode: UNABLE TO DECODE; Firing Type: GAS. 13 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.