The Attenuator,variable, cataloged under National Stock Number 5985-00-912-4039, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-912-4039 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 2 CONNECTOR |
| Frequency Range | 0.000 HERTZ MINIMUM AND 500.000 MEGAHERTZ MAXIMUM |
| Body Style | COAXIAL TYPE |
| Adjustment Device Type and Quantity | 9 LEVER |
| Overall Attenuation Range in Decibels | +0.0 TO 100.0 |
| Attenuation Per Step in Decibels | 20.0 AND 10.0 AND 5.0 AND 2.0 AND 1.0 |
| Attenuation Variation Method | STEPPED |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| Power Rating | 500.0 MILLIWATTS PEAK |
| Step Position Quantity | 9 |
| Coaxial Connector Series Designation | BNC |
| 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 |
|---|---|
| M-600 | 3/9 Design control — primary reference Automated Industrial Electronics Corp Dba Aie |
NSN 5985-00-912-4039 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4910-01-318-8379, 6635-01-411-8867, 5998-01-570-1854. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-912-4039: Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 2 CONNECTOR; Overall Height: 2.000 INCHES NOMINAL IN; Frequency Range: 0.000 HERTZ MINIMUM AND 500.000 MEGAHERTZ MAXIMUM. 13 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.