The Dummy Load,electrical, cataloged under National Stock Number 5985-00-661-2263, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-661-2263 |
| Primary Part Number | 1857304 |
| Item Name | Dummy Load,electrical |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Operating Position | HORIZONTAL |
| Termination Type | WAVEGUIDE FLANGE |
| Overall Diameter | 3.625 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.05 |
| Waveguide Flange Designation | UG407/U |
| Body Width | 1.872 INCHES NOMINAL IN |
| Body Height | 0.872 INCHES NOMINAL IN |
| Style Designator | WAVEGUIDE MOUNTED |
| Cooling Method | SELF-COOLED |
| Ambient Temp at Full Rated Power | 150.0 CELSIUS DEGC |
| Frequency Range Rating | +5.550 TO 5.750 GIGAHERTZ |
| Voltage Standing Wave Ratio Frequency Range | +5.550 TO 5.750 GIGAHERTZ |
| Power Rating | 150.000 KILOWATTS PEAK AND 150.000 WATTS AVERAGE |
| 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 |
|---|---|
| 890494 | Frontgrade Technologies Inc. (USA) |
| 1012187 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 1857304 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 890494 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-661-2263 is a Dummy Load,electrical, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-661-2263 has 3 manufacturer part numbers on file: 890494 (Frontgrade Technologies Inc.), 1012187 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1857304 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1857304: Operating Position: HORIZONTAL; Termination Type: WAVEGUIDE FLANGE; Overall Diameter: 3.625 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.05. 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.