The Waveguide Assembly, cataloged under National Stock Number 5985-00-421-6559, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-421-6559 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | COUNTERMEASURES SET |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.222 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.280 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 0.750 INCHES NOMINAL ALL FLANGES IN |
| Flange Inside Width | 0.362 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Outside Height | 0.220 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.360 INCHES NOMINAL IN |
| Flange Depth | 0.188 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 0.750 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Inside Height | 0.140 INCHES NOMINAL IN |
| Material | COPPER ALL FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | COVER TYPE ALL FLANGES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 234015-000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-421-6559 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-421-6559: FSC Application Data: COUNTERMEASURES SET; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.222 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2. 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 5985-00-421-6559 has DEMIL Code B. 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.