The Attenuator,fixed, cataloged under National Stock Number 5985-00-775-6684, 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 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-775-6684 |
| Primary Part Number | 666096-799 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Frequency Range | 0.950 GIGAHERTZ MINIMUM AND 1.250 GIGAHERTZ MAXIMUM |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.20 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 8.0 |
| Attenuation Accuracy in Decibels | -0.25 TO 0.25 |
| Surface Treatment | SILVER BODY |
| Surface Treatment | SILVER TERMINAL |
| Precious Material and Location | BODY SILVER AND TERMINALS SILVER |
| Connection Type Per Function | FEMALE OUTPUT AND MALE INPUT |
| Operating Temp Range | -20.0 TO 70.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +950.0 TO 1250.0 MEGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY TERMINAL |
| Power Rating | 500.0 MILLIWATTS AVERAGE |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | TNC |
| 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 |
|---|---|
| 666096-799 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| AAA89 | Microlab/fxr Llc (USA) |
| Reference | Meaning |
|---|---|
| 666096-799 | 5/9 Secondary reference Navcom Defense Electronics, Inc. |
NSN 5985-00-775-6684 is a Attenuator,fixed, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-775-6684 has 2 manufacturer part numbers on file: 666096-799 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), AAA89 (Microlab/fxr Llc).
Key specifications for 666096-799: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Frequency Range: 0.950 GIGAHERTZ MINIMUM AND 1.250 GIGAHERTZ MAXIMUM; Overall Diameter: 0.500 INCHES NOMINAL IN; Precious Material: SILVER. 22 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.