The Attenuator,fixed, cataloged under National Stock Number 5985-01-146-9121, 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 Nvision Industries, Inc. Dba Weinschel Associates Div Weinschel Associates. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-146-9121 |
| Primary Part Number | WA3-20 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Nvision Industries, Inc. Dba Weinschel Associates Div Weinschel Associates |
| Status | ACTIVE |
| Frequency Range | 0.000 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 20.0 |
| Attenuation Accuracy in Decibels | -0.03 TO 0.03 |
| Application Design | TRANSMISSION LINE |
| Power Rating | 100.0 WATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR |
| 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 |
NSN 5985-01-146-9121 is a Attenuator,fixed, manufactured by Nvision Industries, Inc. Dba Weinschel Associates Div Weinschel Associates, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-146-9121 has 2 manufacturer part numbers on file: WA3-20 (Nvision Industries, Inc. Dba Weinschel Associates Div Weinschel Associates), 8493A-020 (Keysight Technologies, Inc.).
Key specifications for WA3-20: Frequency Range: 0.000 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Mounting Method: CONNECTOR; Rf Signal Attenuation in Decibels: 20.0. 9 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.