The Waveguide Assembly, cataloged under National Stock Number 5985-01-106-9974, 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28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-106-9974 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Inside Height | 0.872 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Height | 1.006 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Height | 5.900 INCHES NOMINAL IN |
| Flange Quantity | 2 |
| Bend Angle in Deg | 90.0 ALL BENDS H-PLANE |
| Style Designator | DOUBLE BEND TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Waveguide Inside Width | 1.872 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Connecting Hole Diameter | 0.199 INCHES NOMINAL FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Center to Center Distance | 5.500 INCHES NOMINAL IN |
| Flange Inside Width | 1.872 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Width | 2.006 INCHES NOMINAL FIRST FLANGE IN |
| Thread Direction | RIGHT-HAND SECOND FLANGE SINGLE CONNECTION FACILITY |
| Nominal Thread Size | 0.190 INCHES SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Outside Height | 1.000 INCHES NOMINAL IN |
| Waveguide Outside Width | 2.000 INCHES NOMINAL IN |
| Flange Depth | 0.375 INCHES NOMINAL FIRST FLANGE IN |
| Flange Depth | 0.938 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Inside Height | 0.872 INCHES NOMINAL IN |
| Thread Class | 2A SECOND FLANGE SINGLE CONNECTION FACILITY A |
| Material | ALUMINUM ALLOY 6061 SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 8 THREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Outside Diameter | 3.625 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Diameter | 3.625 INCHES NOMINAL SECOND FLANGE IN |
| Thread Series Designator | UNF SECOND FLANGE SINGLE CONNECTION FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 654E4106-805 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-106-9974 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-106-9974: Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Inside Height: 0.872 INCHES NOMINAL SECOND FLANGE IN; Flange Inside Height: 1.006 INCHES NOMINAL FIRST FLANGE IN; Waveguide Height: 5.900 INCHES NOMINAL IN. 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.
NSN 5985-01-106-9974 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.