The Waveguide Assembly, cataloged under National Stock Number 5985-00-649-5543, 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12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-649-5543 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Style Designator | STRAIGHT TYPE |
| Waveguide Inside Width | 2.840 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Waveguide Length | 6.000 INCHES NOMINAL IN |
| Waveguide Outside Height | 1.500 INCHES NOMINAL IN |
| Waveguide Outside Width | 3.000 INCHES NOMINAL IN |
| Surface Treatment | SILVER AND RHODIUM ALL FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 1.340 INCHES NOMINAL IN |
| Material | COPPER ALLOY ALL FLANGE |
| Flange Style | COVER TYPE FIRST FLANGE |
| Flange Style | COVER TYPE SECOND FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SM-B-319318 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-649-5543 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-649-5543: Flange Quantity: 2; Style Designator: STRAIGHT TYPE; Waveguide Inside Width: 2.840 INCHES NOMINAL IN; Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR. 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.
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.