The Attenuator,fixed, cataloged under National Stock Number 5985-01-050-5771, 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 U S Dept of Transportation Federal Aviation Administration. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-050-5771 |
| Primary Part Number | A8012DS |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | U S Dept of Transportation Federal Aviation Administration |
| Status | ACTIVE |
| 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 |
| Voltage Standing Wave Ratio | 1.251.25 |
| Input Impedance Rating in Ohms | 50.050.0 |
| Mounting Method | CONNECTORCONNECTOR |
| Rf Signal Attenuation in Decibels | 30.030.0 |
| Attenuation Accuracy in Decibels | -1.30 TO 1.30-1.30 TO 1.30 |
| Surface Treatment | ANODIZE AND SILVER BODY |
| Connection Type Per Function | FEMALE OUTPUT AND FEMALE OUTPUT AND MALE INPUTMALE INPUT |
| 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 |
| Temperature Sensitivity Attenuation in Decibels | 0.00500.0050 |
| Power Rating | 10.0 WATTS AVERAGE AND 10.0 WATTS AVERAGE AND 5.0 KILOWATTS PEAK5.0 KILOWATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.050.0 |
| Coaxial Connector Series Designation | NN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| A8012DS PRIMARY | U S Dept of Transportation Federal Aviation Administration (USA) |
| Reference | Meaning |
|---|---|
| A8012DS | 5/9 Secondary reference Caes Systems Llc |
| 138C393H05 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5985-01-050-5771 is a Attenuator,fixed, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-050-5771 has 1 manufacturer part number on file: A8012DS (U S Dept of Transportation Federal Aviation Administration).
Key specifications for A8012DS: 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. 19 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.
NSN 5985-01-050-5771 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.