The Coupler,directional, cataloged under National Stock Number 5985-01-035-6558, 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 Northrop Grumman Systems Corporation Dba Electronic Systems. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-035-6558 |
| Primary Part Number | 580R606H06 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Terminal Fitting Controlling Agency | WESTINGHOUSE ELECTRIC CORPORATION |
| Identifying Number | TERMINAL FITTING 579R473 AND 580R142H02 |
| Design Type | UNIDIRECTIONAL |
| Unit Type | COAXIAL LINE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 580R606H06 | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| Reference | Meaning |
|---|---|
| 2023-4006-05 | 5/9 Secondary reference U.S. Government activity |
| 580R606H06 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-035-6558 is a Coupler,directional, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-035-6558 has 1 manufacturer part number on file: 580R606H06 (Northrop Grumman Systems Corporation Dba Electronic Systems).
Key specifications for 580R606H06: Terminal Fitting Controlling Agency: WESTINGHOUSE ELECTRIC CORPORATION; Identifying Number: TERMINAL FITTING 579R473 AND 580R142H02; Design Type: UNIDIRECTIONAL; Overall Length: 1.730 INCHES NOMINAL IN. 4 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 5985-01-035-6558 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.