The Attenuator,fixed, cataloged under National Stock Number 5985-01-494-6422, 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 Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc. Government technical data includes 12 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 | 5985-01-494-6422 |
| Primary Part Number | 0683-20 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc |
| Status | ACTIVE |
| Frequency Range | 100.000 MEGAHERTZ MINIMUM |
| Frequency Sensitivity Attenuation in Decibels | 1.50 |
| Body Style | RECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES |
| Input Impedance Rating in Ohms | 50.0 |
| Rf Signal Attenuation in Decibels | 20.0 |
| Connection Type Per Function | FEMALE INPUT |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Application Design | WAVEGUIDE |
| Material | ALUMINUM BODY |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | SMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0683-20 PRIMARY | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA) |
NSN 5985-01-494-6422 is a Attenuator,fixed, manufactured by Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-494-6422 has 1 manufacturer part number on file: 0683-20 (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc).
Key specifications for 0683-20: Overall Height: 0.430 INCHES NOMINAL IN; Frequency Range: 100.000 MEGAHERTZ MINIMUM; Frequency Sensitivity Attenuation in Decibels: 1.50; Body Style: RECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES. 12 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 5985-01-494-6422 has DEMIL Code D. 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.