The Waveguide Assembly, cataloged under National Stock Number 5985-01-040-3122, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-040-3122 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.872 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.08 |
| Bend Angle in Deg | 90.0 FIRST BEND H-PLANE |
| Bend Angle in Deg | 90.0 SECOND BEND H-PLANE |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.872 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 35.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Waveguide Center to Center Distance | 6.875 INCHES NOMINAL IN |
| Flange Inside Width | 1.872 INCHES NOMINAL ALL FLANGES IN |
| Thread Direction | RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES |
| Waveguide Length | 4.375 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 1.000 INCHES NOMINAL IN |
| Waveguide Outside Width | 2.000 INCHES NOMINAL IN |
| Flange Depth | 0.938 INCHES NOMINAL ALL FLANGES IN |
| Insertion Loss in Decibels | 0.02 |
| Surface Treatment | PAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Surface Treatment | CHROMATE ZINC ALL TUBING SEGMENT AND FLANGE ALL SURFACES |
| Waveguide Inside Height | 0.872 INCHES NOMINAL IN |
| Thread Class | 2A ALL FLANGES ALL CONNECTION FACILITIES A |
| Material | ALUMINUM ALLOY 5052 ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 6 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Outside Diameter | 3.625 INCHES NOMINAL ALL FLANGES IN |
| Thread Series Designator | UNF ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CHOKE TYPE ALL FLANGES |
| 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 |
|---|---|
| 219838 | 3/9 Design control — primary reference Edo |
NSN 5985-01-040-3122 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-040-3122: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.872 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.08. 29 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.