The Waveguide Assembly, cataloged under National Stock Number 5985-01-423-4530, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-423-4530 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | INTERLOCKED SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.628 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.15 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.122 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.875 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.169 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 1.253 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Length | 31.000 INCHES NOMINAL IN |
| Specified Frequency | 7.05 GIGAHERTZ MINIMUM AND 10.0 GIGAHERTZ MAXIMUM |
| Specification/standard Data | 81349-MIL-W-287/4 GOVERNMENT SPECIFICATION |
| Waveguide Outside Height | 0.625 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.250 INCHES NOMINAL IN |
| Flange Depth | 0.438 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.875 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Inside Height | 0.497 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | COVER TYPE ALL FLANGES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-W-287/4 | 5/9 Secondary reference U.S. Government activity |
| M287/4-36-0031 | 2/2 Government specification standardization U.S. Government activity |
| MIL-DTL-287/4 | 4/1 Identification reference U.S. Government activity |
NSN 5985-01-423-4530 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-423-4530: Tubing Wall Construction Style: INTERLOCKED SINGLE TUBING SEGMENT; Flange Inside Height: 0.628 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.15. 22 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 5985-01-423-4530 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.