The Coupler,directional, cataloged under National Stock Number 5985-00-679-0645, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-679-0645 |
| Primary Part Number | X752D |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Terminal Fitting Controlling Agency | DEPARTMENT OF DEFENSE |
| Usage Design | MAIN LINE AND SECONDARY LINE TERMINAL FITTING |
| Identifying Number | TERMINAL FITTING TYPE NO. UG-135/U |
| Design Type | BIDIRECTIONAL |
| Criticality Code Justification | FEAT |
| Radio Frequency Rating | 8.2 KILOHERTZ MINIMUM AND 12.4 KILOHERTZ MAXIMUM |
| Unit Type | WAVEGUIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 91473153 | Thales Sa (FRA) |
| 7904840 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 414796 | Frontgrade Technologies Inc. (USA) |
| TR642437 | Microwave Engineering Corporation (USA) |
| X752D PRIMARY | Keysight Technologies Inc (USA) |
| 955600516100 | Thales Nederland (NLD) |
| Reference | Meaning |
|---|---|
| CAQIX752D | C/1 Advisory reference — outside the item-of-supply concept Hewlett-Packard Company Dba HP |
| X752D | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| X752D | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 28480X752D | C/1 Advisory reference — outside the item-of-supply concept Hewlett-Packard Company Dba HP |
| 414796 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-679-0645 is a Coupler,directional, manufactured by Keysight Technologies Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-679-0645 has 6 manufacturer part numbers on file: 91473153 (Thales Sa), 7904840 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 414796 (Frontgrade Technologies Inc.), TR642437 (Microwave Engineering Corporation), X752D (Keysight Technologies Inc) and 1 more.
Key specifications for X752D: Overall Height: 1.000 INCHES NOMINAL IN; Terminal Fitting Controlling Agency: DEPARTMENT OF DEFENSE; Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING; Identifying Number: TERMINAL FITTING TYPE NO. UG-135/U. 7 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 5985-00-679-0645 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.