The Waveguide Assembly, cataloged under National Stock Number 5985-01-039-9063, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-039-9063 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Flange Inside Height | 1.872 INCHES NOMINAL FIRST FLANGE1.872 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Height | 2.002 INCHES NOMINAL SECOND FLANGE2.002 INCHES NOMINAL SECOND FLANGE IN |
| Flange Quantity | 22 |
| Voltage Standing Wave Ratio | 1.061.06 |
| Bend Angle in Deg | 90.0 ALL BENDS H-PLANE90.0 ALL BENDS H-PLANE |
| Flexibility | RIGID ALL TUBING SEGMENTRIGID ALL TUBING SEGMENT |
| Waveguide Inside Width | 1.872 INCHES NOMINAL1.872 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULARINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Connecting Hole Diameter | 0.199 INCHES NOMINAL FIRST FLANGE SINGLE CONNECTION FACILITY0.199 INCHES NOMINAL FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 0.872 INCHES NOMINAL FIRST FLANGE0.872 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 1.002 INCHES NOMINAL SECOND FLANGE1.002 INCHES NOMINAL SECOND FLANGE IN |
| Nominal Thread Size | 0.312 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY0.312 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Outside Height | 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN |
| Waveguide Outside Width | 2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN |
| Flange Depth | 0.375 INCHES NOMINAL SECOND FLANGE0.375 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 0.938 INCHES NOMINAL FIRST FLANGE0.938 INCHES NOMINAL FIRST FLANGE IN |
| Insertion Loss in Decibels | 0.020.02 |
| Surface Treatment | ENAMEL SINGLE FLANGE OUTSIDE SURFACES |
| Surface Treatment | ENAMEL SINGLE TUBING SEGMENT OUTSIDE SURFACESENAMEL SINGLE TUBING SEGMENT OUTSIDE SURFACES |
| Waveguide Inside Height | 0.872 INCHES NOMINAL0.872 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 1100 SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY8 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 8 UNTHREADED STUD SECOND FLANGE SINGLE CONNECTION FACILITY8 UNTHREADED STUD SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Outside Diameter | 3.625 INCHES NOMINAL FIRST FLANGE3.625 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Diameter | 3.625 INCHES NOMINAL SECOND FLANGE3.625 INCHES NOMINAL SECOND FLANGE IN |
| Thread Series Designator | UNF FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | COVER TYPE SECOND FLANGECOVER TYPE SECOND FLANGE |
| Flange Style | CHOKE TYPE FIRST FLANGECHOKE TYPE FIRST 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 |
|---|---|
| 219975 | 3/9 Design control — primary reference Edo |
NSN 5985-01-039-9063 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-039-9063: Flange Inside Height: 1.872 INCHES NOMINAL FIRST FLANGE1.872 INCHES NOMINAL FIRST FLANGE IN; Flange Inside Height: 2.002 INCHES NOMINAL SECOND FLANGE2.002 INCHES NOMINAL SECOND FLANGE IN; Flange Quantity: 22; Voltage Standing Wave Ratio: 1.061.06. 28 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.