The Attenuator,fixed, cataloged under National Stock Number 5985-01-078-9517, 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 Thales Uk Limited Div Optronics and Missile Electronics. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-078-9517 |
| Primary Part Number | 6C4/64582 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Thales Uk Limited Div Optronics and Missile Electronics |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 5.000 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Attenuation Accuracy Reference Frequency | 5.0 GIGAHERTZ |
| Overall Diameter | 0.340 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.25 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 20.0 |
| Attenuation Accuracy in Decibels | -1.00 TO 1.00 |
| Connection Type Per Function | FEMALE INPUT AND MALE OUTPUT |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Application Design | TRANSMISSION LINE |
| Power Rating | 1.0 WATTS AVERAGE AND 1.0 KILOWATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| 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 |
|---|---|
| 6C4/64582 | Thales Uk Limited Div Optronics and Missile Electronics (GBR) |
| Reference | Meaning |
|---|---|
| A320M | 3/9 Design control — primary reference Caes Systems Llc |
NSN 5985-01-078-9517 is a Attenuator,fixed, manufactured by Thales Uk Limited Div Optronics and Missile Electronics, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-078-9517 has 1 manufacturer part number on file: 6C4/64582 (Thales Uk Limited Div Optronics and Missile Electronics).
Key specifications for 6C4/64582: Frequency Range: 0.000 HERTZ MINIMUM AND 5.000 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Attenuation Accuracy Reference Frequency: 5.0 GIGAHERTZ; Overall Diameter: 0.340 INCHES NOMINAL IN. 16 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.