The Heating Element,electrical,immer, cataloged under National Stock Number 4520-00-478-5858, 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 Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4520-00-478-5858 |
| Primary Part Number | TGA1157L |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| Status | CANCELLED |
| Thread Quantity | 32.0 PER INCH STUD |
| Maximum Wattage Rating in Watts | 1500.0 SINGLE VOLTAGE |
| Mounting Method Style | FLANGE TYPE MOUNTING FACILITY |
| Voltage in Volts and Current Type | 120.0 AC SINGLE VOLTAGE |
| Nominal Thread Size | 0.190 INCHES STUD IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.765 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Length | 10.562 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.765 INCHES NOMINAL IN |
| Flange Thickness | 0.375 INCHES NOMINAL IN |
| Mounting Facility Length | 2.500 INCHES NOMINAL IN |
| Heat Quantity | 1 |
| Hole or Slot Quantity | 4 |
| Element Connection Style | TERMINAL SCREW |
| Mounting Facility Width | 2.500 INCHES NOMINAL IN |
| Phase | NOT RATED SINGLE VOLTAGE |
| Thread Series Designator | UNF STUD |
| Body Style | TUBULAR, FLANGED, W/TERMINALS |
| Element Quantity | 1 |
| Terminal Quantity | 2 |
| Material | COPPER ALLOY SHEATH |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4520-00-478-5858 is a Heating Element,electrical,immer, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 4520 (No Item Name Available). Status: cancelled.
NSN 4520-00-478-5858 has 3 cross-referenced part numbers: TGA1157L (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), TGA1157L (Emerson Electric Co Chromalox Div), 25701 (Alter Harry Co the Div of T E C).
There are 10 known substitutes for 4520-00-478-5858: 4730-00-104-7393, 5950-00-163-9319, 5962-00-481-8642 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for TGA1157L: Thread Quantity: 32.0 PER INCH STUD; Maximum Wattage Rating in Watts: 1500.0 SINGLE VOLTAGE; Mounting Method Style: FLANGE TYPE MOUNTING FACILITY; Voltage in Volts and Current Type: 120.0 AC SINGLE VOLTAGE. 23 total characteristics are documented in the Federal Logistics Information System.
NSN 4520-00-478-5858 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.