The Waveguide Assembly, cataloged under National Stock Number 5985-01-108-3634, 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29 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-108-3634 |
| 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 | 0.375 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Waveguide First Leg Length | 3.490 INCHES NOMINAL IN |
| Waveguide Second Leg Length | 5.240 INCHES NOMINAL IN |
| Bend Angle in Deg | 90.0 THIRD BEND E-PLANE |
| Bend Angle in Deg | 45.0 SECOND BEND E-PLANE |
| Bend Angle in Deg | 90.0 FOURTH BEND E-PLANE |
| Bend Angle in Deg | 45.0 FIRST BEND E-PLANE |
| Style Designator | FOUR BEND TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Flange Inside Diameter | 1.141 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Inside Width | 0.750 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.500 INCHES NOMINAL ALL FLANGES IN |
| Flange Inside Width | 0.750 INCHES NOMINAL ALL FLANGES IN |
| Thread Direction | RIGHT-HAND ALL FLANGES SINGLE CONNECTION FACILITY |
| Nominal Thread Size | 0.138 INCHES ALL FLANGES SINGLE CONNECTION FACILITY IN |
| Waveguide Fourth Leg Length | 4.250 INCHES NOMINAL IN |
| Waveguide Fifth Leg Length | 2.020 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.475 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.850 INCHES NOMINAL IN |
| Flange Depth | 0.500 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.500 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Inside Height | 0.375 INCHES NOMINAL IN |
| Thread Class | 2B ALL FLANGES SINGLE CONNECTION FACILITY |
| Material | ALUMINUM ALLOY 6061 SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL FLANGES 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 |
|---|---|
| 654E4116-803 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-108-3634 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-108-3634: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.375 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Waveguide First Leg Length: 3.490 INCHES NOMINAL IN. 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.
NSN 5985-01-108-3634 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.