The Attenuator,fixed, cataloged under National Stock Number 5985-01-146-1741, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-146-1741 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Waveguide Flange Type | CHOKE AND COVER |
| Mounting Hole/stud Quantity | 8 |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.07 |
| Mounting Method | THREADED HOLE(S) |
| Rf Signal Attenuation in Decibels | 25.0 |
| Attenuation Accuracy in Decibels | -0.10 TO 0.10 |
| Surface Treatment | SILVER BODY |
| Precious Material and Location | BODY SURFACE SILVER |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Application Design | WAVEGUIDE |
| Mounting Facility Thread Size and Series/type Designator | 4-40 UNIFIED NATIONAL COARSE (UNC) |
| Terminal Type and Quantity | 2 FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 17-12777-1 | C/1 Advisory reference — outside the item-of-supply concept Textron Systems Corporation Dba Textron Systems Corp |
| 17-12777-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5985-01-146-1741 is a Attenuator,fixed, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-146-1741: Waveguide Flange Type: CHOKE AND COVER; Mounting Hole/stud Quantity: 8; Body Style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES; Precious Material: SILVER. 14 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.