The Attenuator,variable, cataloged under National Stock Number 5985-00-642-0673, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Clarostat Sensors and Controls. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-642-0673 |
| Primary Part Number | CIL58-600 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Clarostat Sensors and Controls |
| Status | ACTIVE |
| Shaft Type | ROUND, SLOTTED |
| Bushing Length | 0.375 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 600.0 INPUT |
| Body Diameter | 1.688 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Body Style | CYLINDRICAL W/SIDE TERMINALS |
| Adjustment Device Type and Quantity | 2 SHAFT |
| Overall Attenuation Range in Decibels | +0.0 TO 30.0 |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Attenuation Variation Method | CONTINUOUS |
| Schematic Diagram Designator | BALANCED "LL" |
| Mounting Thread Quantity | 32 PER INCH |
| Body Length | 1.500 INCHES NOMINAL IN |
| Mounting Facility Nominal Screw Thread Diameter | 0.375 INCHES IN |
| Application Design | AUDIO |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| Power Rating | 2.5 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 |
| Part Number | Manufacturer |
|---|---|
| CIL58-600 | Clarostat Sensors and Controls (USA) |
| Reference | Meaning |
|---|---|
| CIL58 | 5/9 Secondary reference Clarostat Sensors and Controls |
| 9A54447 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-642-0673 is a Attenuator,variable, manufactured by Clarostat Sensors and Controls, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-642-0673 has 1 manufacturer part number on file: CIL58-600 (Clarostat Sensors and Controls).
Key specifications for CIL58-600: Shaft Type: ROUND, SLOTTED; Bushing Length: 0.375 INCHES NOMINAL IN; Impedance Rating in Ohms: 600.0 INPUT; Body Diameter: 1.688 INCHES NOMINAL 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.