The Heater,water,electric, cataloged under National Stock Number 4520-01-317-8979, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-317-8979 |
| Primary Part Number | MIL-H-965D |
| Item Name | Heater,water,electric |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Capacity | 5.0 GALLONS TANK |
| Water Inlet Connection Quantity | 1 |
| Thermostatic Switch | INCLUDED |
| Material | COPPER ALLOY |
| Water Outlet Connection Thread Size and Series/type Designator | 3/4-14 NPT |
| Attachment Device | INCLUDED |
| Surface Treatment | PAINT OUTSIDE |
| Frequency in Hertz | 60.0 |
| Operating Pressure | 110.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Phase | THREE |
| Heating Capacity Per Hour | 5.0 GALLONS |
| Temp Rise Per Hour | 90.0 FAHRENHEIT DEGF |
| Furnished Items and Quantity | RELIEF VALVE 1 |
| Specification/standard Data | 81349-MIL-H-965D AMEND2 GOVERNMENT SPECIFICATION |
| Overall Diameter | 17.000 INCHES NOMINAL IN |
| Insulated Feature | INCLUDED |
| Water Inlet Connection Thread Size and Series/type Designator | 3/4-14 NPT |
| Water Outlet Connection Quantity | 1 |
| Heating Element Type | ANY ACCEPTABLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-H-965D | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 17748 | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
| MS965-A5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4520-01-317-8979 is a Heater,water,electric, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-01-317-8979 has 3 cross-referenced part numbers: MIL-H-965D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 17748 (The Electric Heater Co Dba Hubbell Electric Heater Co.), MS965-A5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 4520-01-317-8979: 2530-00-238-5395, 5310-00-441-4581, 5920-01-102-6728 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-H-965D: Capacity: 5.0 GALLONS TANK; Water Inlet Connection Quantity: 1; Thermostatic Switch: INCLUDED; Material: COPPER ALLOY. 20 total characteristics are documented in the Federal Logistics Information System.