The Attenuator,variable, cataloged under National Stock Number 5985-00-549-9003, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-549-9003 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Shaft Type | ROUND |
| Bushing Length | 0.375 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 4.0 INPUT-OUTPUT |
| Body Diameter | 1.620 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Body Style | CYLINDRICAL W/SIDE TERMINALS |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Attenuation Variation Method | CONTINUOUS |
| Schematic Diagram Designator | UNBALANCED "LR" |
| Shaft Length | 2.375 INCHES NOMINAL IN |
| Body Length | 1.1094 INCHES MAXIMUM IN |
| Application Design | AUDIO |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Power Rating | 4.0 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 |
|---|---|
| 2Z394-197 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-549-9003 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-549-9003: Shaft Type: ROUND; Bushing Length: 0.375 INCHES NOMINAL IN; Impedance Rating in Ohms: 4.0 INPUT-OUTPUT; Body Diameter: 1.620 INCHES NOMINAL IN. 14 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.