The Dummy Load,electrical, cataloged under National Stock Number 5985-01-070-5909, 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 Raytheon Company Div Rmd Strategic. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-070-5909 |
| Primary Part Number | 721766-1 |
| Item Name | Dummy Load,electrical |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Operating Position | ALL POSITIONS |
| Termination Type | CONNECTION COAXIAL |
| Overall Diameter | 0.320 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.30 AND 1.00 |
| Style Designator | COAXIAL MOUNTED |
| Cooling Method | SELF-COOLED |
| Connector End Design | MALE |
| Impedance Rating in Ohms | 50.0 NOMINAL |
| Ambient Temp at Full Rated Power | -55.0 CELSIUS AND 71.0 CELSIUS DEGC |
| Frequency Range Rating | +3.000 TO 3.500 GIGAHERTZ |
| Voltage Standing Wave Ratio Frequency Range | +3.000 TO 3.500 GIGAHERTZ |
| Power Rating | 1.000 WATTS PEAK |
| Coaxial Connector Series Designation | SMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 721766-1 | Frequency Electronics Inc (USA) |
| 721766-1 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| 20258-03 | Industrial Electronic Engineers, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A9X578 | C/1 Advisory reference — outside the item-of-supply concept Frequency Electronics Inc |
| A9X578 | 5/9 Secondary reference Fei Microwave Inc |
| 721766-1 | 5/9 Secondary reference Fei Microwave Inc |
NSN 5985-01-070-5909 is a Dummy Load,electrical, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-070-5909 has 3 manufacturer part numbers on file: 721766-1 (Frequency Electronics Inc), 721766-1 (Raytheon Company Div Rmd Strategic), 20258-03 (Industrial Electronic Engineers, Inc.).
Key specifications for 721766-1: Operating Position: ALL POSITIONS; Termination Type: CONNECTION COAXIAL; Overall Diameter: 0.320 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.30 AND 1.00. 13 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.
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.