The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-138-2199, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Drs Environmental Systems Inc. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-138-2199 |
| Primary Part Number | 13219E9554-1 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Drs Environmental Systems Inc |
| Status | ACTIVE |
| Phase | SINGLE SINGLE VOLTAGE |
| Frequency in Hertz | 60.0 |
| Terminal Quantity | 2 |
| Length | 19.000 INCHES MINIMUM AND 19.120 INCHES MAXIMUM IN |
| Voltage in Volts and Current Type | 197.6 AC OR 218.4 AC SINGLE VOLTAGE |
| Body Style | CARTRIDGE, SCREW TYPE |
| Maximum Wattage Rating in Watts | 640.5 SINGLE VOLTAGE |
| Terminal Length | 11.750 INCHES MINIMUM AND 12.250 INCHES MAXIMUM IN |
| Mounting Facility Length | 0.560 INCHES NOMINAL IN |
| Element Connection Style | WIRE LEAD |
| Material Document and Classification | 13219E9554-1,97403 MFR REF ALL MATERIAL RESPONSES SHEATH |
| Outside Diameter | 0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Effective Heating Length | 16.490 INCHES MINIMUM AND 16.610 INCHES MAXIMUM IN |
| Mounting Method Style | SCREW PLUG OR BUSHING TYPE MOUNTING FACILITY |
| Nominal Thread Size | 0.438 INCHES SCREW IN |
| Heat Quantity | 2 |
| Terminal Arrangement Style | PARALLEL AT ONE END EXCEPT ON 3/4 AND 1 INCH WIDTH IN |
| Element Radiation Spectrum | NONINFRARED |
| Material | CHROMIUM AND NICKEL ALLOY SHEATH |
| Thread Series Designator | UNEF SCREW |
| Thread Quantity | 28 PER INCH SCREW |
| Element Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 13219E9554-1 | Drs Environmental Systems Inc (USA) |
| 13A0041 | Hotwatt, Inc (USA) |
| Reference | Meaning |
|---|---|
| 13219E9554-1 | 5/9 Secondary reference U.S. Government activity |
| 13219E9554-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4520-01-138-2199 is a Heating Element,electrical,nonim, manufactured by Drs Environmental Systems Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-138-2199 has 2 manufacturer part numbers on file: 13219E9554-1 (Drs Environmental Systems Inc), 13A0041 (Hotwatt, Inc).
Key specifications for 13219E9554-1: Phase: SINGLE SINGLE VOLTAGE; Frequency in Hertz: 60.0; Terminal Quantity: 2; Length: 19.000 INCHES MINIMUM AND 19.120 INCHES MAXIMUM IN. 22 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.