The Waveguide Assembly, cataloged under National Stock Number 5985-00-471-8983, 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28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-471-8983 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES AND RELATED EQUIP. |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Inside Height | 0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Quantity | 22 |
| Bend Angle in Deg | 90.0 ALL BENDS E-PLANE |
| Style Designator | DOUBLE BEND TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Flange Inside Diameter | 0.875 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Inside Width | 1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULARINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 2.250 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Center to Center Distance | 2.427 INCHES MINIMUM AND 2.447 INCHES MAXIMUM IN |
| Flange Inside Width | 1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND SECOND FLANGE ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.164 INCHES SECOND FLANGE ALL CONNECTION FACILITIES0.164 INCHES SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 0.621 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN |
| Waveguide Outside Width | 1.246 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN |
| Flange Depth | 0.625 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 2.625 INCHES NOMINAL SECOND FLANGE IN |
| Surface Treatment | CHROMATE ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN |
| Thread Class | 2A SECOND FLANGE ALL CONNECTION FACILITIES2A SECOND FLANGE ALL CONNECTION FACILITIES A |
| Thread Quantity Per Inch | 32 SECOND FLANGE ALL CONNECTION FACILITIES |
| Material | ALUMINUM ALLOY 6061 ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND FLANGE ALL CONNECTION FACILITIESUNIFIED NATIONAL COARSE (UNC) SECOND FLANGE ALL CONNECTION FACILITIES |
| Flange Style | CHOKE TYPE SECOND FLANGE |
| Flange Style | CHOKE TYPE FIRST FLANGECHOKE TYPE FIRST FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 210936-000 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-471-8983 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-471-8983: FSC Application Data: ANTENNAS,WAVEGUIDES AND RELATED EQUIP.; Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Inside Height: 0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SECOND FLANGE IN; Flange Quantity: 22. 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 5985-00-471-8983 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.