The Horn,waveguide, cataloged under National Stock Number 5985-00-284-7446, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-284-7446 |
| Item Name | Horn,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Connection Method | THREADED END |
| Overall Diameter | 2.090 INCHES NOMINAL IN |
| Mouth Length | 0.361 INCHES NOMINAL IN |
| Throat Diameter | 0.980 INCHES NOMINAL IN |
| Accommodated Conductor Type | TRANSMISSION LINE |
| Frequency Range Rating | +8.750 TO 9.375 GIGAHERTZ |
| Mouth Diameter | 0.980 INCHES NOMINAL IN |
| Surface Treatment | DICHROMATE INSIDE |
| Surface Treatment | DICHROMATE OUTSIDE |
| Throat Length | 1.964 INCHES NOMINAL IN |
| Material | MAGNESIUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 407689 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-284-7446 is a Horn,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5305-00-456-9578, 2915-00-973-8103. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-284-7446: Connection Method: THREADED END; Overall Diameter: 2.090 INCHES NOMINAL IN; Mouth Length: 0.361 INCHES NOMINAL IN; Throat Diameter: 0.980 INCHES NOMINAL IN. 11 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 5985-00-284-7446 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.