The Attenuator,fixed, cataloged under National Stock Number 5985-01-058-4307, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-058-4307 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Frequency Range | 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM4.000 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Attenuation Accuracy Reference Frequency | 4.0 GIGAHERTZ4.0 GIGAHERTZ |
| Overall Diameter | 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN |
| Precious Material | SILVERSILVER |
| Voltage Standing Wave Ratio | 1.251.25 |
| Input Impedance Rating in Ohms | 50.050.0 |
| Mounting Method | CONNECTORCONNECTOR |
| Rf Signal Attenuation in Decibels | 20.020.0 |
| Attenuation Accuracy in Decibels | -1.00 TO 1.00-1.00 TO 1.00 |
| Surface Treatment | ANODIZE BODY |
| Precious Material and Location | CONNECTOR SURFACES SILVERCONNECTOR SURFACES SILVER |
| Connection Type Per Function | FEMALE INPUT AND FEMALE INPUT AND FEMALE OUTPUTFEMALE OUTPUT |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS-55.0 TO 125.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 4.0 GIGAHERTZ+0.0 TO 4.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINETRANSMISSION LINE |
| Power Rating | 25.0 WATTS AVERAGE AND 25.0 WATTS AVERAGE AND 3.0 KILOWATTS PEAK3.0 KILOWATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.050.0 |
| Coaxial Connector Series Designation | SMASMA |
| 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 |
|---|---|
| A8420MF | 3/9 Design control — primary reference Caes Systems Llc |
NSN 5985-01-058-4307 is a Attenuator,fixed, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-058-4307: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Frequency Range: 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM4.000 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Attenuation Accuracy Reference Frequency: 4.0 GIGAHERTZ4.0 GIGAHERTZ. 21 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.