The Attenuator,variable, cataloged under National Stock Number 5985-01-345-5689, 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 Giga-Tronics Incorporated Dba Giga-Tronics. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-345-5689 |
| Primary Part Number | MPB0-01803 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Giga-Tronics Incorporated Dba Giga-Tronics |
| Status | ACTIVE |
| Frequency Range | 18.000 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR, TERMINALS ON ONE SURFACE |
| Adjustment Device Type and Quantity | 1 ELECTRONIC, PROGRAMMABLE |
| Overall Attenuation Range in Decibels | +0.0 TO 110.0 |
| Voltage Standing Wave Ratio | 1.90 |
| Attenuation Variation Method | STEPPED |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, PLUG |
| Power Rating | 1.0 WATTS AVERAGE AND 100.0 WATTS PEAK |
| Coaxial Connector Series Designation | SMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| MPB0-01803 PRIMARY | Giga-Tronics Incorporated Dba Giga-Tronics (USA) |
| Reference | Meaning |
|---|---|
| 33322H-90 | 5/9 Secondary reference Keysight Technologies, Inc. |
| 33322H-90 | C/1 Advisory reference — outside the item-of-supply concept Keysight Technologies Inc |
| 33322H-90 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5985-01-345-5689 is a Attenuator,variable, manufactured by Giga-Tronics Incorporated Dba Giga-Tronics, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-345-5689 has 1 manufacturer part number on file: MPB0-01803 (Giga-Tronics Incorporated Dba Giga-Tronics).
Key specifications for MPB0-01803: Overall Height: 2.040 INCHES NOMINAL IN; Frequency Range: 18.000 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR, TERMINALS ON ONE SURFACE; Adjustment Device Type and Quantity: 1 ELECTRONIC, PROGRAMMABLE. 10 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 5985-01-345-5689 has DEMIL Code Q. 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.