The Horn,waveguide, cataloged under National Stock Number 5985-00-090-0090, 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12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-090-0090 |
| Item Name | Horn,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Connection Method | COVER FLANGE |
| Overall Diameter | 3.750 INCHES MINIMUM AND 3.755 INCHES MAXIMUM IN |
| Throat Depth | 3.260 INCHES NOMINAL IN |
| Mouth Length | 3.250 INCHES NOMINAL IN |
| Accommodated Conductor Type | WAVEGUIDE |
| Mouth Depth | 2.740 INCHES NOMINAL IN |
| Frequency Range Rating | +8500.0 TO 9600.0 MEGAHERTZ |
| Throat Width | 0.397 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN |
| Mouth Diameter | 0.800 INCHES NOMINAL IN |
| Surface Treatment | SILVER INSIDE |
| Throat Length | 0.897 INCHES MINIMUM AND 0.903 INCHES MAXIMUM IN |
| Material | COPPER 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 |
|---|---|
| 8834819-501 | 3/9 Design control — primary reference Rca Corp Distributor and Special Products Div |
| AT311TPS10D | 5/2 Secondary reference U.S. Government activity |
| AT3UTPS10D | 5/2 Secondary reference U.S. Government activity |
| 8834819-501 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5985-00-090-0090 is a Horn,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-090-0090: Connection Method: COVER FLANGE; Overall Diameter: 3.750 INCHES MINIMUM AND 3.755 INCHES MAXIMUM IN; Throat Depth: 3.260 INCHES NOMINAL IN; Mouth Length: 3.250 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.
NSN 5985-00-090-0090 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.