The Adapter,waveguide, cataloged under National Stock Number 5985-00-409-0809, 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 Us Army Aviation and Missile Command. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-409-0809 |
| Primary Part Number | 9190557 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Quantity | 1 |
| Voltage Standing Wave Ratio | 1.10 |
| Adapter Overall Width | 8.688 INCHES NOMINAL IN |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Waveguide Inside Width | 6.670 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Adapter Overall Height | 5.875 INCHES NOMINAL IN |
| Adapter Length | 5.063 INCHES NOMINAL IN |
| Waveguide Outside Height | 3.813 INCHES NOMINAL IN |
| Waveguide Outside Width | 7.063 INCHES NOMINAL IN |
| Flange Outside Width | 8.688 INCHES NOMINAL SINGLE FLANGE IN |
| Waveguide Inside Height | 3.420 INCHES NOMINAL IN |
| Adapter Height | 5.438 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT AND FLANGE |
| Flange Style | CONTACT TYPE SINGLE FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9190557 | Raytheon Company (USA) |
| 9190557 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 9190557 | 3dbm Co Inc Waveguide Group (USA) |
| 9190557 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 9190557 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5985-00-409-0809 is a Adapter,waveguide, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-409-0809 has 4 manufacturer part numbers on file: 9190557 (Raytheon Company), 9190557 (Us Army Aviation and Missile Command), 9190557 (3dbm Co Inc Waveguide Group), 9190557 (Raytheon Company Dba Raytheon Co).
Key specifications for 9190557: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 1; Voltage Standing Wave Ratio: 1.10. 17 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 5985-00-409-0809 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.