The Waveguide Assembly, cataloged under National Stock Number 5985-00-080-7341, 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 Westinghouse Electric Corp. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-080-7341 |
| Primary Part Number | 343C709H01 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Tubing Wall Construction Style | CORRUGATED ALL TUBING SEGMENT |
| Flange Inside Height | 1.849 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 1.021 FEET NOMINAL FT |
| Flexibility | FLEXIBLE ALL TUBING SEGMENT |
| Waveguide Inside Width | 3.698 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 25.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 3.560 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.281 INCHES NOMINAL SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Connecting Hole Diameter | 0.315 INCHES NOMINAL FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 3.698 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Outside Height | 2.039 INCHES NOMINAL IN |
| Waveguide Outside Width | 3.888 INCHES NOMINAL IN |
| Flange Depth | 0.420 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 5.380 INCHES NOMINAL ALL FLANGES IN |
| Surface Treatment | ENAMEL ALL FLANGE OUTSIDE SURFACES |
| Surface Treatment | CADMIUM ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES |
| Waveguide Inside Height | 1.849 INCHES NOMINAL IN |
| Material | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| Material | RUBBER ALL TUBING JACKET |
| Flange Connecting Facility and Quantity | 6 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | CONTACT TYPE ALL FLANGES |
| Waveguide Longer Offset Distance | 1.130 FEET NOMINAL FT |
| 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 |
|---|---|
| 343C709H01 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 343C709H01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-080-7341 is a Waveguide Assembly, manufactured by Westinghouse Electric Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-080-7341 has 1 manufacturer part number on file: 343C709H01 (Westinghouse Electric Corp).
Key specifications for 343C709H01: Tubing Wall Construction Style: CORRUGATED ALL TUBING SEGMENT; Flange Inside Height: 1.849 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.10. 26 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 5985-00-080-7341 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.