The Waveguide Assembly, cataloged under National Stock Number 5985-00-558-0643, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-558-0643 |
| 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 SINGLE TUBING SEGMENT |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Style Designator | BEND TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.418 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Waveguide Outside Height | 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN |
| Precious Material and Location | WAVEGUIDE SILVER |
| Waveguide Inside Height | 0.168 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Material | SILVER ALLOY SINGLE TUBING SEGMENT |
| 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 |
|---|---|
| 42S1005 | 5/9 Secondary reference Guide Microwave Inc |
| 508-01436-135 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-558-0643 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-558-0643: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 2; Precious Material: SILVER. 13 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 5985-00-558-0643 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.