The Attenuator,variable, cataloged under National Stock Number 5985-01-134-2899, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-134-2899 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Shaft Type | ROUND |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.4 |
| Impedance Rating in Ohms | 75.0 INPUT-OUTPUT |
| Body Diameter | 1.156 INCHES MAXIMUM IN |
| Mounting Facility Type and Quantity | 1 BUSHING |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL W/SIDE TERMINALS |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Overall Attenuation Range in Decibels | +33.0 TO 66.0 |
| Attenuation Variation Method | CONTINUOUS |
| Schematic Diagram Designator | BRIDGED "T" |
| Shaft Length | 0.875 INCHES NOMINAL IN |
| Body Length | 1.266 INCHES MAXIMUM IN |
| Operating Temp Range | -55.0 TO 120.0 CELSIUS DEGC |
| Application Design | AUDIO |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| Power Rating | 5.0 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 |
|---|---|
| 98569 | 3/9 Design control — primary reference Rockwell Automation, Inc. Dba Rockwell Automation |
NSN 5985-01-134-2899 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-134-2899: Shaft Type: ROUND; Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.4; Impedance Rating in Ohms: 75.0 INPUT-OUTPUT; Body Diameter: 1.156 INCHES MAXIMUM IN. 17 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.