The Waveguide Assembly, cataloged under National Stock Number 5985-00-357-9644, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-357-9644 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | TEST SET,GUIDED MISSILE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.505 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Height | 1.968 INCHES NOMINAL IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.10 |
| Waveguide Leg Length | 1.218 INCHES NOMINAL IN |
| Style Designator | U-BEND TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.900 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.625 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Height | 1.625 INCHES NOMINAL FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.169 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Center to Center Distance | 2.156 INCHES NOMINAL IN |
| Flange Inside Width | 0.900 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 1.062 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Outside Height | 0.500 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.000 INCHES NOMINAL IN |
| Flange Depth | 0.437 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 0.437 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 1.625 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.625 INCHES NOMINAL FIRST FLANGE IN |
| Surface Treatment | CHROMATE ALL FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 0.400 INCHES NOMINAL IN |
| Waveguide Longer Leg Length | 1.718 INCHES NOMINAL IN |
| Material | ALUMINUM SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | CHOKE 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 |
|---|---|
| 682-1089-21 | 3/2 Design control — primary reference U.S. Government activity |
| 621R033G01 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-00-357-9644 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-357-9644: FSC Application Data: TEST SET,GUIDED MISSILE; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.505 INCHES NOMINAL ALL FLANGES IN; Waveguide Height: 1.968 INCHES NOMINAL IN. 30 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.