The Adapter,waveguide, cataloged under National Stock Number 5985-01-067-4628, 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25 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-067-4628 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 1.003 INCHES MINIMUM AND 1.009 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Quantity | 1 |
| Voltage Standing Wave Ratio | 1.25 |
| Adapter Diameter | 3.610 INCHES MINIMUM AND 3.640 INCHES MAXIMUM IN |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Waveguide Inside Width | 1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN |
| Connector End Design | FEMALE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Adapter Overall Height | 4.257 INCHES MAXIMUM IN |
| Adapter Length | 3.687 INCHES MAXIMUM IN |
| Flange Connecting Hole Diameter | 0.195 INCHES MINIMUM AND 0.203 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 2.003 INCHES MINIMUM AND 2.009 INCHES MAXIMUM SINGLE FLANGE IN |
| Specification/standard Data | 81349-MIL-A-22641/16 GOVERNMENT SPECIFICATION |
| Waveguide Outside Height | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Waveguide Outside Width | 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN |
| Flange Depth | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM SINGLE FLANGE IN |
| Insertion Loss in Decibels | 0.10 |
| Waveguide Inside Height | 0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Flange Outside Diameter | 3.610 INCHES MINIMUM AND 3.640 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Style | COVER TYPE SINGLE FLANGE |
| Coaxial Connector Series Designation | N |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-DTL-22641/16 | 4/1 Identification reference U.S. Government activity |
| M22641/16-11 | 2/2 Government specification standardization U.S. Government activity |
| MIL-A-22641/16 | 5/9 Secondary reference U.S. Government activity |
| UG-1655/U | 5/1 Secondary reference U.S. Government activity |
NSN 5985-01-067-4628 is a Adapter,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5985-01-420-9775. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-067-4628: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 1.003 INCHES MINIMUM AND 1.009 INCHES MAXIMUM SINGLE FLANGE IN; Flange Quantity: 1. 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 5985-01-067-4628 has DEMIL Code Q. 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.