The Attenuator,variable, cataloged under National Stock Number 5985-00-583-8640, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-583-8640 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Impedance Rating in Ohms | 600.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Frequency Range | 20.000 HERTZ MINIMUM AND 200.000 KILOHERTZ MAXIMUM |
| Mounting Facility Pattern | THREE POSITION CIRCULAR |
| Overall Attenuation Range in Decibels | +0.0 TO 10.0 |
| Unthreaded Mounting Hole Diameter | 0.140 INCHES NOMINAL IN |
| Overall Attenuation Accuracy in Decibels | -0.05 TO 0.05 |
| Attenuation Variation Method | STEPPED |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| 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 |
|---|---|
| G230920 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 829TAS1 | 3/9 Design control — primary reference Genrad Inc |
| 829TAS1 | C/1 Advisory reference — outside the item-of-supply concept Iet Labs Inc |
NSN 5985-00-583-8640 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-583-8640: Impedance Rating in Ohms: 600.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Overall Height: 3.125 INCHES NOMINAL IN; Frequency Range: 20.000 HERTZ MINIMUM AND 200.000 KILOHERTZ MAXIMUM. 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.
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.