The Adapter,waveguide, cataloged under National Stock Number 5985-01-172-2326, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-172-2326 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.170 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Quantity | 1 |
| Voltage Standing Wave Ratio | 1.25 |
| Adapter Overall Width | 0.875 INCHES NOMINAL IN |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Waveguide Inside Width | 0.420 INCHES NOMINAL IN |
| Connector End Design | MALE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 0.875 INCHES NOMINAL SINGLE FLANGE IN |
| Adapter Overall Height | 1.027 INCHES NOMINAL IN |
| Adapter Length | 1.010 INCHES NOMINAL IN |
| Flange Connecting Hole Diameter | 0.116 INCHES MINIMUM AND 0.118 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.420 INCHES NOMINAL SINGLE FLANGE IN |
| Waveguide Outside Height | 0.250 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.500 INCHES NOMINAL IN |
| Flange Depth | 0.188 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Width | 0.875 INCHES NOMINAL SINGLE FLANGE IN |
| Surface Treatment | PAINT ALL TUBING SEGMENT AND FLANGE ALL SURFACES |
| Waveguide Inside Height | 0.170 INCHES NOMINAL IN |
| Adapter Height | 0.875 INCHES NOMINAL IN |
| Material | ALUMINUM ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE SINGLE FLANGE |
| Coaxial Connector Series Designation | SMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 20188AP | 5/9 Secondary reference U.S. Government activity |
| 2001-6256-00 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5985-01-172-2326 is a Adapter,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-172-2326: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.170 INCHES NOMINAL SINGLE FLANGE IN; Flange Quantity: 1; Voltage Standing Wave Ratio: 1.25. 25 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 5985-01-172-2326 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.