The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-037-1228, 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 Drs Environmental Systems Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-037-1228 |
| Primary Part Number | 55650 |
| Item Name | Heating Element,electrical,immer |
| FSC / FSG | 4520 / 45 — No Item Name Available |
| Manufacturer | Drs Environmental Systems Inc |
| Status | ACTIVE |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Power Cable Nominal Length | 18.000 INCHES IN |
| Maximum Wattage Rating in Watts | 50.0 SINGLE VOLTAGE |
| Watt Density Rating | 29.0 PER SQUARE INCH SINGLE VOLTAGE |
| Phase | NOT RATED SINGLE VOLTAGE |
| Voltage in Volts and Current Type | 120.0 AC SINGLE VOLTAGE |
| Length | 2.031 INCHES NOMINAL IN |
| Element Quantity | 1 |
| Material | ALUMINUM SHEATH |
| Terminal Quantity | 2 |
| Effective Heating Length | 2.031 INCHES NOMINAL IN |
| Element Radiation Spectrum | NONINFRARED |
| Element Connection Style | WIRE LEAD |
| Body Style | TUBULAR, PLAIN |
| Case Diameter | 0.375 INCHES NOMINAL IN |
| Mounting Method Style | FRICTION TYPE MOUNTING FACILITY |
| Terminal Length | 18.500 INCHES NOMINAL IN |
| Heat Quantity | 1 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 55650 | Drs Environmental Systems Inc (USA) |
| G2A53-18IN | Watlow Electric Manufacturing Co Dba Watlow (USA) |
| 55650 | Keco Industries, Inc. (USA) |
| 55650 | Hdt Expeditionary Systems Inc (USA) |
NSN 4520-01-037-1228 is a Heating Element,electrical,immer, manufactured by Drs Environmental Systems Inc, classified under FSC 4520 (No Item Name Available). Status: active.
NSN 4520-01-037-1228 has 4 cross-referenced part numbers: 55650 (Drs Environmental Systems Inc), G2A53-18IN (Watlow Electric Manufacturing Co Dba Watlow), 55650 (Keco Industries, Inc.), 55650 (Hdt Expeditionary Systems Inc).
There are 3 known substitutes for 4520-01-037-1228: 2530-00-273-7151, 5325-00-514-2321, 5945-01-318-6629. Verify interchangeability with system specifications before substitution.
Key specifications for 55650: Outside Diameter: 0.375 INCHES NOMINAL IN; Power Cable Nominal Length: 18.000 INCHES IN; Maximum Wattage Rating in Watts: 50.0 SINGLE VOLTAGE; Watt Density Rating: 29.0 PER SQUARE INCH SINGLE VOLTAGE. 18 total characteristics are documented in the Federal Logistics Information System.