The Waveguide Assembly, cataloged under National Stock Number 5985-00-400-3189, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-400-3189 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SECOND TUBING SEGMENT |
| Tubing Wall Construction Style | SEAMLESS FIRST TUBING SEGMENT |
| Tubing Wall Construction Style | SEAMLESS FOURTH TUBING SEGMENT |
| Tubing Wall Construction Style | CORRUGATED THIRD TUBING SEGMENT |
| Tubing Wall Construction Style | SEAMLESS FIFTH TUBING SEGMENT |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.15 |
| Waveguide First Leg Length | 1.220 INCHES NOMINAL IN |
| Waveguide Second Leg Length | 1.450 INCHES NOMINAL IN |
| Style Designator | THREE BEND TYPE |
| Flexibility | RIGID FIFTH TUBING SEGMENT |
| Flexibility | RIGID FOURTH TUBING SEGMENT |
| Flexibility | RIGID FIRST TUBING SEGMENT |
| Flexibility | RIGID SECOND TUBING SEGMENT |
| Flexibility | FLEXIBLE THIRD TUBING SEGMENT |
| Waveguide Fourth Leg Length | 1.060 INCHES NOMINAL IN |
| Surface Treatment | SILVER THIRD TUBING SEGMENT INSIDE SURFACES |
| Precious Material and Location | FLEXGUIDE INSIDE SURFACES SILVER |
| Waveguide Third Leg Length | 7.310 INCHES NOMINAL IN |
| 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 |
|---|---|
| C200040855 | 3/9 Design control — primary reference Systron-Donner Corp Microwave/instrument Div |
NSN 5985-00-400-3189 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-400-3189: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SECOND TUBING SEGMENT; Tubing Wall Construction Style: SEAMLESS FIRST TUBING SEGMENT; Tubing Wall Construction Style: SEAMLESS FOURTH TUBING SEGMENT. 21 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 5985-00-400-3189 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.