The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-074-7448, 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 Watlow Electric Manufacturing Co Dba Watlow. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-074-7448 |
| Primary Part Number | 3-32-35-1 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Watlow Electric Manufacturing Co Dba Watlow |
| Status | ACTIVE |
| Element Connection Style | STUD TYPE |
| Heat Quantity | 1 |
| Nominal Thread Size | 0.125 INCHES STUD IN |
| Element Quantity | 1 |
| Voltage in Volts and Current Type | 254.0 AC SINGLE VOLTAGE |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD |
| Material | STEEL CORROSION RESISTING SHEATH |
| Maximum Wattage Rating in Watts | 1000.0 SINGLE VOLTAGE |
| Body Style | TUBULAR, SINGLE COIL, DOUBLE TERMINALS |
| Terminal Length | 1.500 INCHES NOMINAL IN |
| Minimum Clearance Distance | 5.750 INCHES NOMINAL IN |
| Thread Quantity | 40.0 PER INCH STUD |
| Terminal Quantity | 2 |
| Element Radiation Spectrum | NONINFRARED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 563458 | Lockheed Martin Corporation Div Rms (USA) |
| 563458 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 3-32-35-1 PRIMARY | Watlow Electric Manufacturing Co Dba Watlow (USA) |
| 3148364 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 563458-000 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 4520-01-074-7448 is a Heating Element,electrical,immer, manufactured by Watlow Electric Manufacturing Co Dba Watlow, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-01-074-7448 has 5 cross-referenced part numbers: 563458 (Lockheed Martin Corporation Div Rms), 563458 (Lockheed Martin Corporation Div Rms - Mitchel Field), 3-32-35-1 (Watlow Electric Manufacturing Co Dba Watlow), 3148364 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 563458-000 (Zf Industrieantriebe Witten Gmbh).
There are 2 known substitutes for 4520-01-074-7448: 3455-00-736-0821, 1560-00-876-5840. Verify interchangeability with system specifications before substitution.
Key specifications for 3-32-35-1: Element Connection Style: STUD TYPE; Heat Quantity: 1; Nominal Thread Size: 0.125 INCHES STUD IN; Element Quantity: 1. 16 total characteristics are documented in the Federal Logistics Information System.