The Attenuator,fixed, cataloged under National Stock Number 5985-01-527-0674, 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 Charter Engineering, Inc. Dba Charter Engineering Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-527-0674 |
| Primary Part Number | CS18-20 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Charter Engineering, Inc. Dba Charter Engineering Inc |
| Status | ACTIVE |
| Frequency Range | 0.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.360 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.35 |
| Mounting Method | CONNECTOR |
| Surface Treatment | PASSIVATE BODY |
| Surface Treatment | COPPER AND GOLD TERMINAL |
| Precious Material and Location | CONNECTORS GOLD |
| Operating Temp Range | -65.0 TO 125.0 CELSIUS DEGC |
| Material | STEEL CORROSION RESISTING BODY |
| Power Rating | 250.0 WATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| CS18-20 PRIMARY | Charter Engineering, Inc. Dba Charter Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| CS18-20 | 5/9 Secondary reference Sarl M2s |
NSN 5985-01-527-0674 is a Attenuator,fixed, manufactured by Charter Engineering, Inc. Dba Charter Engineering Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-527-0674 has 1 manufacturer part number on file: CS18-20 (Charter Engineering, Inc. Dba Charter Engineering Inc).
Key specifications for CS18-20: Frequency Range: 0.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.360 INCHES NOMINAL IN; Precious Material: GOLD. 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.