The Attenuator,fixed, cataloged under National Stock Number 5985-01-666-9965, 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 Cinch Connectivity Solutions Inc. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-666-9965 |
| Primary Part Number | ATT-0290-77-SMA-02 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Cinch Connectivity Solutions Inc |
| Status | ACTIVE |
| Frequency Range | 18.00 GIGAHERTZ MINIMUM |
| Overall Diameter | 0.28 INCHES NOMINAL IN |
| Rf Signal Attenuation in Decibels | 7.5 |
| Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Operating Temp Range | -65.00 TO 125.00 CELSIUS DEGC |
| Power Rating | 200.00 WATTS PEAK |
| 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 |
|---|---|
| ATT-0290-77-SMA-02 PRIMARY | Cinch Connectivity Solutions Inc (USA) |
NSN 5985-01-666-9965 is a Attenuator,fixed, manufactured by Cinch Connectivity Solutions Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-666-9965 has 1 manufacturer part number on file: ATT-0290-77-SMA-02 (Cinch Connectivity Solutions Inc).
Key specifications for ATT-0290-77-SMA-02: Frequency Range: 18.00 GIGAHERTZ MINIMUM; Overall Diameter: 0.28 INCHES NOMINAL IN; Rf Signal Attenuation in Decibels: 7.5; Attenuation Accuracy in Decibels: -0.50 TO 0.50. 6 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.