The Adapter,waveguide, cataloged under National Stock Number 5985-01-652-5866, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-652-5866 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS FIRST TUBING SEGMENT |
| Flange Quantity | 2 |
| Style Designator | WAVEGUIDE TO WAVEGUIDE |
| Waveguide Inside Width | 0.75 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.0 INCHES NOMINAL THIRD FLANGE IN |
| Adapter Length | 4.25 INCHES NOMINAL IN |
| Flange Connecting Hole Diameter | 2.0 INCHES NOMINAL FIRST FLANGE FIRST CONNECTION FACILITY IN |
| Waveguide Outside Width | 2.25 INCHES NOMINAL IN |
| Flange Depth | 1.05 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Inside Height | 4.25 INCHES NOMINAL IN |
| Material | ALUMINUM FIRST COUPLING |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) FIRST FLANGE FIRST CONNECTION FACILITY |
| Flange Style | CONTACT, FOR SINGLE RIDGE WAVEGUIDE 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 |
|---|---|
| 75-210B-6-6 | 3/9 Design control — primary reference Advanced Technical Materials, Inc. Dba a T M |
NSN 5985-01-652-5866 is a Adapter,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-652-5866: Tubing Wall Construction Style: SEAMLESS FIRST TUBING SEGMENT; Flange Quantity: 2; Style Designator: WAVEGUIDE TO WAVEGUIDE; Waveguide Inside Width: 0.75 INCHES NOMINAL IN. 14 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.