The Waveguide Assembly, cataloged under National Stock Number 5985-00-795-1146, 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 30 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-795-1146 |
| Primary Part Number | 575R604H01 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Tubing Wall Construction Style | CONVOLUTE SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.497 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Height | 0.630 INCHES NOMINAL FIRST FLANGE IN |
| Flange Quantity | 2 |
| Precious Material | SILVER AND RHODIUM |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.122 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.875 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Height | 1.875 INCHES NOMINAL FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.171 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Waveguide Center to Center Distance | 4.810 INCHES NOMINAL IN |
| Flange Inside Width | 1.122 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Width | 1.255 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Length | 6.750 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.625 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.250 INCHES NOMINAL IN |
| Flange Depth | 0.625 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 0.438 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 1.875 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.875 INCHES NOMINAL FIRST FLANGE IN |
| Surface Treatment | SILVER SINGLE TUBING SEGMENT INSIDE SURFACES |
| Surface Treatment | SILVER AND RHODIUM ALL FLANGE ALL SURFACES |
| Precious Material and Location | INTERNAL TUBING AND FLANGE SURFACES SILVER AND FLANGE SURFACES RHODIUM |
| Waveguide Inside Height | 0.497 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC SINGLE TUBING JACKET |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| 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 |
|---|---|
| 575R604H01 | Westinghouse Electric Corp (USA) |
| 546118 | Mega Industries Inc Mega Microwave Div (USA) |
| 575R604H01 | Microwave Engineering Corporation (USA) |
| 575R604H01 | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| 575R604H01 | 3/2 Design control — primary reference U.S. Government activity |
| 575R604H01 | 5/9 Secondary reference U.S. Government activity |
| 575R604H01 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-795-1146 is a Waveguide Assembly, manufactured by Westinghouse Electric Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-795-1146 has 4 manufacturer part numbers on file: 575R604H01 (Westinghouse Electric Corp), 546118 (Mega Industries Inc Mega Microwave Div), 575R604H01 (Microwave Engineering Corporation), 575R604H01 (Microtech Inc Dba Microtech Inc).
Key specifications for 575R604H01: Tubing Wall Construction Style: CONVOLUTE SINGLE TUBING SEGMENT; Flange Inside Height: 0.497 INCHES NOMINAL SECOND FLANGE IN; Flange Inside Height: 0.630 INCHES NOMINAL FIRST FLANGE IN; Flange Quantity: 2. 30 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 5985-00-795-1146 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.