The Attenuator,variable, cataloged under National Stock Number 5985-00-665-8384, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-665-8384 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Impedance Rating in Ohms | 59.4 INPUT AND 53.5 OUTPUT |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Frequency Range | 190.000 KILOHERTZ MINIMUM AND 30.000 MEGAHERTZ MAXIMUM |
| Mounting Facility Pattern | FOUR POSITION CIRCULAR |
| Overall Attenuation Range in Decibels | +0.0 TO 92.0 |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Overall Attenuation Accuracy in Decibels | -0.46 TO 0.46 |
| Attenuation Per Step in Decibels | 6.0 AND 8.0 AND 20.0 |
| Attenuation Variation Method | STEPPED |
| Mounting Thread Quantity | 40 PER INCH |
| Mounting Facility Nominal Screw Thread Diameter | 0.112 INCHES IN |
| Bolt Circle Diameter | 0.875 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Power Rating | 125.0 MILLIWATTS AVERAGE |
| Step Position Quantity | 8 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 102B608 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-665-8384 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-665-8384: Impedance Rating in Ohms: 59.4 INPUT AND 53.5 OUTPUT; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Frequency Range: 190.000 KILOHERTZ MINIMUM AND 30.000 MEGAHERTZ MAXIMUM; Mounting Facility Pattern: FOUR POSITION CIRCULAR. 15 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.