The Boiler,heating,low Pressure, cataloged under National Stock Number 4520-00-184-3707, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-00-184-3707 |
| 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 |
| Current Type | AC |
| Firing Type | OIL |
| Oil for Which Designed | NO. FS2,DF1,DF2 AND JP-5 FUEL OIL |
| Heating System Design | STEAM |
| Boiler Type | VERTICAL FIRE TUBE |
| Voltage in Volts | 115.0 |
| Ignition Method | AUTOMATIC ELECTRICAL |
| Jacket Inclosure Feature | INCLUDED |
| Accessory Components and Quantity | 1 CONTROL,FLAME FAILURE,1 CONTROL,PRESSURE LIMIT,1 CUT-OFF,LOW WATER,1 REGULATOR,DRAFT,1 SWITCH,EXCESS STACK TEMP |
| Departure From Cited Designator | AS MODIFIED BY SPECIAL FEATURES |
| Nondefinitive Spec/std Data | 3 SIZE AND A STYLE |
| Oil Burner Type | PRESSURE ATOMIZING |
| Material | STEEL |
| Heat Delivery Rate in Btu Per Hour | 648000.0 |
| Furnished Items and Quantity | 1 FEEDER,WATER,1 GAGE,STEAM PRESSURE,7 PIPE,FLUE,12 IN. DIA BY 2 FT LG W/SUPPORTS,TEE,UMBRELLA COLLAR AND CAP,1 CIRCUIT BREAKER,1 VALVE,SAFETY,STEAM PRESSURE SIZE,1 WATER COLUMN ASSEMBLY BOILER,HEATING. LOW PRESSURE IN |
| 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 |
|---|---|
| MILB16220 | 4/1 Identification reference U.S. Government activity |
NSN 4520-00-184-3707 is a Boiler,heating,low Pressure, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
Key specifications for 4520-00-184-3707: Pressure Rating: 15.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Current Type: AC; Firing Type: OIL; Oil for Which Designed: NO. FS2,DF1,DF2 AND JP-5 FUEL OIL. 16 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.