The Dummy Load,electrical, cataloged under National Stock Number 5985-00-777-2000, 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 Omega Laboratories Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-777-2000 |
| Primary Part Number | 646 |
| Item Name | Dummy Load,electrical |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Omega Laboratories Inc |
| Status | ACTIVE |
| Operating Position | ALL POSITIONS |
| Termination Type | WAVEGUIDE FLANGE |
| Voltage Standing Wave Ratio | 1.02 |
| Waveguide Flange Designation | UG344/U |
| Body Width | 1.500 INCHES NOMINAL IN |
| Body Height | 0.750 INCHES NOMINAL IN |
| Style Designator | WAVEGUIDE MOUNTED |
| Cooling Method | SELF-COOLED |
| Impedance Rating in Ohms | 50.0 NOMINAL |
| Frequency Range Rating | +5.300 TO 8.200 GIGAHERTZ |
| Power Rating | 1.000 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 |
| Part Number | Manufacturer |
|---|---|
| 646 PRIMARY | Omega Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| J910A | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5985-00-777-2000 is a Dummy Load,electrical, manufactured by Omega Laboratories Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-777-2000 has 1 manufacturer part number on file: 646 (Omega Laboratories Inc).
Key specifications for 646: Operating Position: ALL POSITIONS; Termination Type: WAVEGUIDE FLANGE; Voltage Standing Wave Ratio: 1.02; Waveguide Flange Designation: UG344/U. 11 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 5985-00-777-2000 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.