The Horn,waveguide, cataloged under National Stock Number 5985-00-284-9089, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-284-9089 |
| Item Name | Horn,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Throat Height | 0.311 INCHES NOMINAL IN |
| Connection Method | WAVEGUIDE FLANGE |
| Mouth Length | 1.1875 INCHES NOMINAL IN |
| Accommodated Conductor Type | WAVEGUIDE |
| Mouth Width | 0.622 INCHES NOMINAL IN |
| Frequency Range Rating | +12000.0 TO 18000.0 MEGAHERTZ |
| Throat Width | 0.622 INCHES NOMINAL IN |
| Surface Treatment | SILVER INSIDE |
| Surface Treatment | SILVER OUTSIDE |
| Mouth Height | 1.118 INCHES NOMINAL IN |
| Throat Length | 2.0625 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| AT531UPM | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-284-9089 is a Horn,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-284-9089: Throat Height: 0.311 INCHES NOMINAL IN; Overall Height: 1.250 INCHES NOMINAL IN; Connection Method: WAVEGUIDE FLANGE; Mouth Length: 1.1875 INCHES NOMINAL IN. 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.
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.