The Dummy Load,electrical, cataloged under National Stock Number 5985-01-078-6818, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-078-6818 |
| Primary Part Number | 4254-124 |
| Item Name | Dummy Load,electrical |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Operating Position | ALL POSITIONS |
| Termination Type | WAVEGUIDE FLANGE |
| Voltage Standing Wave Ratio | 1.01 |
| Waveguide Flange Designation | UG-135/U |
| Body Width | 1.000 INCHES NOMINAL IN |
| Body Height | 0.900 INCHES NOMINAL IN |
| Style Designator | WAVEGUIDE MOUNTED |
| Cooling Method | SELF-COOLED |
| Ambient Temp at Full Rated Power | -55.0 CELSIUS AND 125.0 CELSIUS DEGC |
| Frequency Range Rating | +8.200 TO 12.400 GIGAHERTZ |
| Voltage Standing Wave Ratio Frequency Range | +8.200 TO 12.400 GIGAHERTZ |
| Power Rating | 0.500 WATTS AVERAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-078-6818 is a Dummy Load,electrical, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-078-6818 has 2 manufacturer part numbers on file: 4254-124 (Northrop Grumman Systems Corporation), X510E (Microlab/fxr Llc).
Key specifications for 4254-124: Operating Position: ALL POSITIONS; Termination Type: WAVEGUIDE FLANGE; Overall Height: 1.625 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.01. 12 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-01-078-6818 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.