The Attenuator,variable, cataloged under National Stock Number 5985-00-217-8585, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-217-8585 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 TERMINAL WITH MOUNTING HOLES |
| Frequency Range | 8.500 MEGAHERTZ MINIMUM AND 9.600 MEGAHERTZ MAXIMUM |
| Overall Attenuation Range in Decibels | +0.1 TO 35.0 |
| Voltage Standing Wave Ratio | 1.15 |
| Unthreaded Mounting Hole Diameter | 0.1695 INCHES NOMINAL IN |
| Overall Attenuation Accuracy in Decibels | -1.745 TO 1.745 |
| Attenuation Variation Method | CONTINUOUS |
| Application Design | WAVEGUIDE |
| Terminal Type and Quantity | 2 FLANGE |
| Power Rating | 1.0 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 |
| Reference | Meaning |
|---|---|
| C50016 | 3/9 Design control — primary reference Mutron Corp |
NSN 5985-00-217-8585 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4720-01-256-7151. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-217-8585: Mounting Facility Type and Quantity: 8 TERMINAL WITH MOUNTING HOLES; Overall Height: 3.125 INCHES NOMINAL IN; Frequency Range: 8.500 MEGAHERTZ MINIMUM AND 9.600 MEGAHERTZ MAXIMUM; Overall Attenuation Range in Decibels: +0.1 TO 35.0. 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.
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.